Home / 935,679.95-1,291,246.05-516,589.25

Finding the Fourth Proportional to 935,679.95, 1,291,246.05 and 516,589.25

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Solution

The fourth proportional to 935,679.95, 1,291,246.05 and 516,589.25 is: 712,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,679.95 : 1,291,246.05 = 516,589.25 : x
  2. Step 2: Convert to fraction form
    935,679.95/1,291,246.05 = 516,589.25/x
  3. Step 3: Cross multiply
    935,679.95x = 1,291,246.05 × 516,589.25
  4. Step 4: Simplify right side
    935,679.95x = 667,043,822,078.73
  5. Step 5: Solve for x
    x = 667,043,822,078.73/935,679.95
  6. Step 6: Final answer
    x = 712,897.42

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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.