Home / 406,349.38-609,564.17-140,074.84

Finding the Fourth Proportional to 406,349.38, 609,564.17 and 140,074.84

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Solution

The fourth proportional to 406,349.38, 609,564.17 and 140,074.84 is: 210,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,349.38 : 609,564.17 = 140,074.84 : x
  2. Step 2: Convert to fraction form
    406,349.38/609,564.17 = 140,074.84/x
  3. Step 3: Cross multiply
    406,349.38x = 609,564.17 × 140,074.84
  4. Step 4: Simplify right side
    406,349.38x = 85,384,602,882.11
  5. Step 5: Solve for x
    x = 85,384,602,882.11/406,349.38
  6. Step 6: Final answer
    x = 210,126.08

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1.5x scale

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.