Home / 406,341.16-560,720.28-234,136.78

Finding the Fourth Proportional to 406,341.16, 560,720.28 and 234,136.78

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Solution

The fourth proportional to 406,341.16, 560,720.28 and 234,136.78 is: 323,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,341.16 : 560,720.28 = 234,136.78 : x
  2. Step 2: Convert to fraction form
    406,341.16/560,720.28 = 234,136.78/x
  3. Step 3: Cross multiply
    406,341.16x = 560,720.28 × 234,136.78
  4. Step 4: Simplify right side
    406,341.16x = 131,285,240,839.90
  5. Step 5: Solve for x
    x = 131,285,240,839.90/406,341.16
  6. Step 6: Final answer
    x = 323,091.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.