Home / 935,867.30-1,291,496.87-506,147.43

Finding the Fourth Proportional to 935,867.30, 1,291,496.87 and 506,147.43

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Solution

The fourth proportional to 935,867.30, 1,291,496.87 and 506,147.43 is: 698,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,867.30 : 1,291,496.87 = 506,147.43 : x
  2. Step 2: Convert to fraction form
    935,867.30/1,291,496.87 = 506,147.43/x
  3. Step 3: Cross multiply
    935,867.30x = 1,291,496.87 × 506,147.43
  4. Step 4: Simplify right side
    935,867.30x = 653,687,812,615.32
  5. Step 5: Solve for x
    x = 653,687,812,615.32/935,867.30
  6. Step 6: Final answer
    x = 698,483.44

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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.