Home / 935,649.52-1,291,118.36-527,728.88

Finding the Fourth Proportional to 935,649.52, 1,291,118.36 and 527,728.88

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Solution

The fourth proportional to 935,649.52, 1,291,118.36 and 527,728.88 is: 728,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,649.52 : 1,291,118.36 = 527,728.88 : x
  2. Step 2: Convert to fraction form
    935,649.52/1,291,118.36 = 527,728.88/x
  3. Step 3: Cross multiply
    935,649.52x = 1,291,118.36 × 527,728.88
  4. Step 4: Simplify right side
    935,649.52x = 681,360,446,070.24
  5. Step 5: Solve for x
    x = 681,360,446,070.24/935,649.52
  6. Step 6: Final answer
    x = 728,221.87

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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.