Home / 1,207,423.60-1,811,135.40-577,567.60

Finding the Fourth Proportional to 1,207,423.60, 1,811,135.40 and 577,567.60

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Solution

The fourth proportional to 1,207,423.60, 1,811,135.40 and 577,567.60 is: 866,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,423.60 : 1,811,135.40 = 577,567.60 : x
  2. Step 2: Convert to fraction form
    1,207,423.60/1,811,135.40 = 577,567.60/x
  3. Step 3: Cross multiply
    1,207,423.60x = 1,811,135.40 × 577,567.60
  4. Step 4: Simplify right side
    1,207,423.60x = 1,046,053,126,253.04
  5. Step 5: Solve for x
    x = 1,046,053,126,253.04/1,207,423.60
  6. Step 6: Final answer
    x = 866,351.40

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Half scale
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Double scale
Find fourth proportional to 1,207,424.60, 1,811,136.90 and 577,568.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.