Home / 442,776.06-664,229.70-232,430.40

Finding the Fourth Proportional to 442,776.06, 664,229.70 and 232,430.40

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Solution

The fourth proportional to 442,776.06, 664,229.70 and 232,430.40 is: 348,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,776.06 : 664,229.70 = 232,430.40 : x
  2. Step 2: Convert to fraction form
    442,776.06/664,229.70 = 232,430.40/x
  3. Step 3: Cross multiply
    442,776.06x = 664,229.70 × 232,430.40
  4. Step 4: Simplify right side
    442,776.06x = 154,387,174,862.88
  5. Step 5: Solve for x
    x = 154,387,174,862.88/442,776.06
  6. Step 6: Final answer
    x = 348,680.04

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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.