Home / 442,616.20-664,010.70-176,331.40

Finding the Fourth Proportional to 442,616.20, 664,010.70 and 176,331.40

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Solution

The fourth proportional to 442,616.20, 664,010.70 and 176,331.40 is: 264,531.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,616.20 : 664,010.70 = 176,331.40 : x
  2. Step 2: Convert to fraction form
    442,616.20/664,010.70 = 176,331.40/x
  3. Step 3: Cross multiply
    442,616.20x = 664,010.70 × 176,331.40
  4. Step 4: Simplify right side
    442,616.20x = 117,085,936,345.98
  5. Step 5: Solve for x
    x = 117,085,936,345.98/442,616.20
  6. Step 6: Final answer
    x = 264,531.52

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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.