Home / 726,057.70-1,087,531.35-474,115.30

Finding the Fourth Proportional to 726,057.70, 1,087,531.35 and 474,115.30

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Solution

The fourth proportional to 726,057.70, 1,087,531.35 and 474,115.30 is: 710,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,057.70 : 1,087,531.35 = 474,115.30 : x
  2. Step 2: Convert to fraction form
    726,057.70/1,087,531.35 = 474,115.30/x
  3. Step 3: Cross multiply
    726,057.70x = 1,087,531.35 × 474,115.30
  4. Step 4: Simplify right side
    726,057.70x = 515,615,252,264.66
  5. Step 5: Solve for x
    x = 515,615,252,264.66/726,057.70
  6. Step 6: Final answer
    x = 710,157.41

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Double scale
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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.