Home / 944,978.40-1,304,022.24-515,255.04

Finding the Fourth Proportional to 944,978.40, 1,304,022.24 and 515,255.04

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Solution

The fourth proportional to 944,978.40, 1,304,022.24 and 515,255.04 is: 711,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,978.40 : 1,304,022.24 = 515,255.04 : x
  2. Step 2: Convert to fraction form
    944,978.40/1,304,022.24 = 515,255.04/x
  3. Step 3: Cross multiply
    944,978.40x = 1,304,022.24 × 515,255.04
  4. Step 4: Simplify right side
    944,978.40x = 671,904,031,432.09
  5. Step 5: Solve for x
    x = 671,904,031,432.09/944,978.40
  6. Step 6: Final answer
    x = 711,025.81

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1.5x scale

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.