Home / 1,539,115.40-2,308,673.10-474,483.80

Finding the Fourth Proportional to 1,539,115.40, 2,308,673.10 and 474,483.80

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Solution

The fourth proportional to 1,539,115.40, 2,308,673.10 and 474,483.80 is: 711,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,115.40 : 2,308,673.10 = 474,483.80 : x
  2. Step 2: Convert to fraction form
    1,539,115.40/2,308,673.10 = 474,483.80/x
  3. Step 3: Cross multiply
    1,539,115.40x = 2,308,673.10 × 474,483.80
  4. Step 4: Simplify right side
    1,539,115.40x = 1,095,427,985,445.78
  5. Step 5: Solve for x
    x = 1,095,427,985,445.78/1,539,115.40
  6. Step 6: Final answer
    x = 711,725.70

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Half scale
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Double scale
Find fourth proportional to 1,539,116.40, 2,308,674.60 and 474,484.80
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.