Home / 591,459.20-885,633.60-432,828.80

Finding the Fourth Proportional to 591,459.20, 885,633.60 and 432,828.80

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Solution

The fourth proportional to 591,459.20, 885,633.60 and 432,828.80 is: 648,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,459.20 : 885,633.60 = 432,828.80 : x
  2. Step 2: Convert to fraction form
    591,459.20/885,633.60 = 432,828.80/x
  3. Step 3: Cross multiply
    591,459.20x = 885,633.60 × 432,828.80
  4. Step 4: Simplify right side
    591,459.20x = 383,327,728,327.68
  5. Step 5: Solve for x
    x = 383,327,728,327.68/591,459.20
  6. Step 6: Final answer
    x = 648,105.11

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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.