Home / 442,785.06-664,243.20-232,439.40

Finding the Fourth Proportional to 442,785.06, 664,243.20 and 232,439.40

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Solution

The fourth proportional to 442,785.06, 664,243.20 and 232,439.40 is: 348,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,785.06 : 664,243.20 = 232,439.40 : x
  2. Step 2: Convert to fraction form
    442,785.06/664,243.20 = 232,439.40/x
  3. Step 3: Cross multiply
    442,785.06x = 664,243.20 × 232,439.40
  4. Step 4: Simplify right side
    442,785.06x = 154,396,290,862.08
  5. Step 5: Solve for x
    x = 154,396,290,862.08/442,785.06
  6. Step 6: Final answer
    x = 348,693.54

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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.