Home / 406,062.12-609,217.76-181,611.36

Finding the Fourth Proportional to 406,062.12, 609,217.76 and 181,611.36

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Solution

The fourth proportional to 406,062.12, 609,217.76 and 181,611.36 is: 272,472.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,062.12 : 609,217.76 = 181,611.36 : x
  2. Step 2: Convert to fraction form
    406,062.12/609,217.76 = 181,611.36/x
  3. Step 3: Cross multiply
    406,062.12x = 609,217.76 × 181,611.36
  4. Step 4: Simplify right side
    406,062.12x = 110,640,865,929.75
  5. Step 5: Solve for x
    x = 110,640,865,929.75/406,062.12
  6. Step 6: Final answer
    x = 272,472.76

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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.