Home / 406,527.03-609,785.01-126,044.28

Finding the Fourth Proportional to 406,527.03, 609,785.01 and 126,044.28

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Solution

The fourth proportional to 406,527.03, 609,785.01 and 126,044.28 is: 189,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,527.03 : 609,785.01 = 126,044.28 : x
  2. Step 2: Convert to fraction form
    406,527.03/609,785.01 = 126,044.28/x
  3. Step 3: Cross multiply
    406,527.03x = 609,785.01 × 126,044.28
  4. Step 4: Simplify right side
    406,527.03x = 76,859,912,540.24
  5. Step 5: Solve for x
    x = 76,859,912,540.24/406,527.03
  6. Step 6: Final answer
    x = 189,064.70

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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.