Home / 935,686.64-1,291,255.28-516,595.92

Finding the Fourth Proportional to 935,686.64, 1,291,255.28 and 516,595.92

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Solution

The fourth proportional to 935,686.64, 1,291,255.28 and 516,595.92 is: 712,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,686.64 : 1,291,255.28 = 516,595.92 : x
  2. Step 2: Convert to fraction form
    935,686.64/1,291,255.28 = 516,595.92/x
  3. Step 3: Cross multiply
    935,686.64x = 1,291,255.28 × 516,595.92
  4. Step 4: Simplify right side
    935,686.64x = 667,057,209,326.46
  5. Step 5: Solve for x
    x = 667,057,209,326.46/935,686.64
  6. Step 6: Final answer
    x = 712,906.63

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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.