Home / 854,501.17-1,281,839.60-322,470.13

Finding the Fourth Proportional to 854,501.17, 1,281,839.60 and 322,470.13

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Solution

The fourth proportional to 854,501.17, 1,281,839.60 and 322,470.13 is: 483,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,501.17 : 1,281,839.60 = 322,470.13 : x
  2. Step 2: Convert to fraction form
    854,501.17/1,281,839.60 = 322,470.13/x
  3. Step 3: Cross multiply
    854,501.17x = 1,281,839.60 × 322,470.13
  4. Step 4: Simplify right side
    854,501.17x = 413,354,982,451.15
  5. Step 5: Solve for x
    x = 413,354,982,451.15/854,501.17
  6. Step 6: Final answer
    x = 483,738.35

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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.