Home / 935,689.05-1,291,258.59-516,598.35

Finding the Fourth Proportional to 935,689.05, 1,291,258.59 and 516,598.35

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Solution

The fourth proportional to 935,689.05, 1,291,258.59 and 516,598.35 is: 712,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,689.05 : 1,291,258.59 = 516,598.35 : x
  2. Step 2: Convert to fraction form
    935,689.05/1,291,258.59 = 516,598.35/x
  3. Step 3: Cross multiply
    935,689.05x = 1,291,258.59 × 516,598.35
  4. Step 4: Simplify right side
    935,689.05x = 667,062,057,017.33
  5. Step 5: Solve for x
    x = 667,062,057,017.33/935,689.05
  6. Step 6: Final answer
    x = 712,909.97

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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.