Home / 406,542.24-609,895.17-140,313.06

Finding the Fourth Proportional to 406,542.24, 609,895.17 and 140,313.06

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Solution

The fourth proportional to 406,542.24, 609,895.17 and 140,313.06 is: 210,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,542.24 : 609,895.17 = 140,313.06 : x
  2. Step 2: Convert to fraction form
    406,542.24/609,895.17 = 140,313.06/x
  3. Step 3: Cross multiply
    406,542.24x = 609,895.17 × 140,313.06
  4. Step 4: Simplify right side
    406,542.24x = 85,576,257,581.92
  5. Step 5: Solve for x
    x = 85,576,257,581.92/406,542.24
  6. Step 6: Final answer
    x = 210,497.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.