Home / 497,515.03-686,589.24-282,691.42

Finding the Fourth Proportional to 497,515.03, 686,589.24 and 282,691.42

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Solution

The fourth proportional to 497,515.03, 686,589.24 and 282,691.42 is: 390,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,515.03 : 686,589.24 = 282,691.42 : x
  2. Step 2: Convert to fraction form
    497,515.03/686,589.24 = 282,691.42/x
  3. Step 3: Cross multiply
    497,515.03x = 686,589.24 × 282,691.42
  4. Step 4: Simplify right side
    497,515.03x = 194,092,887,212.32
  5. Step 5: Solve for x
    x = 194,092,887,212.32/497,515.03
  6. Step 6: Final answer
    x = 390,124.67

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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.