Home / 406,445.76-609,728.04-195,910.56

Finding the Fourth Proportional to 406,445.76, 609,728.04 and 195,910.56

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Solution

The fourth proportional to 406,445.76, 609,728.04 and 195,910.56 is: 293,894.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,445.76 : 609,728.04 = 195,910.56 : x
  2. Step 2: Convert to fraction form
    406,445.76/609,728.04 = 195,910.56/x
  3. Step 3: Cross multiply
    406,445.76x = 609,728.04 × 195,910.56
  4. Step 4: Simplify right side
    406,445.76x = 119,452,161,764.10
  5. Step 5: Solve for x
    x = 119,452,161,764.10/406,445.76
  6. Step 6: Final answer
    x = 293,894.47

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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.