Home / 935,693.83-1,291,265.18-516,603.07

Finding the Fourth Proportional to 935,693.83, 1,291,265.18 and 516,603.07

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Solution

The fourth proportional to 935,693.83, 1,291,265.18 and 516,603.07 is: 712,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,693.83 : 1,291,265.18 = 516,603.07 : x
  2. Step 2: Convert to fraction form
    935,693.83/1,291,265.18 = 516,603.07/x
  3. Step 3: Cross multiply
    935,693.83x = 1,291,265.18 × 516,603.07
  4. Step 4: Simplify right side
    935,693.83x = 667,071,556,172.10
  5. Step 5: Solve for x
    x = 667,071,556,172.10/935,693.83
  6. Step 6: Final answer
    x = 712,916.48

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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.