Home / 1,207,424.60-1,811,136.90-577,568.60

Finding the Fourth Proportional to 1,207,424.60, 1,811,136.90 and 577,568.60

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Solution

The fourth proportional to 1,207,424.60, 1,811,136.90 and 577,568.60 is: 866,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,424.60 : 1,811,136.90 = 577,568.60 : x
  2. Step 2: Convert to fraction form
    1,207,424.60/1,811,136.90 = 577,568.60/x
  3. Step 3: Cross multiply
    1,207,424.60x = 1,811,136.90 × 577,568.60
  4. Step 4: Simplify right side
    1,207,424.60x = 1,046,055,803,741.34
  5. Step 5: Solve for x
    x = 1,046,055,803,741.34/1,207,424.60
  6. Step 6: Final answer
    x = 866,352.90

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Double scale
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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.