Home / 744,290.28-1,027,412.46-527,631.30

Finding the Fourth Proportional to 744,290.28, 1,027,412.46 and 527,631.30

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Solution

The fourth proportional to 744,290.28, 1,027,412.46 and 527,631.30 is: 728,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,290.28 : 1,027,412.46 = 527,631.30 : x
  2. Step 2: Convert to fraction form
    744,290.28/1,027,412.46 = 527,631.30/x
  3. Step 3: Cross multiply
    744,290.28x = 1,027,412.46 × 527,631.30
  4. Step 4: Simplify right side
    744,290.28x = 542,094,971,906.00
  5. Step 5: Solve for x
    x = 542,094,971,906.00/744,290.28
  6. Step 6: Final answer
    x = 728,338.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.