Home / 408,032.64-563,088.11-226,761.53

Finding the Fourth Proportional to 408,032.64, 563,088.11 and 226,761.53

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Solution

The fourth proportional to 408,032.64, 563,088.11 and 226,761.53 is: 312,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,032.64 : 563,088.11 = 226,761.53 : x
  2. Step 2: Convert to fraction form
    408,032.64/563,088.11 = 226,761.53/x
  3. Step 3: Cross multiply
    408,032.64x = 563,088.11 × 226,761.53
  4. Step 4: Simplify right side
    408,032.64x = 127,686,717,399.16
  5. Step 5: Solve for x
    x = 127,686,717,399.16/408,032.64
  6. Step 6: Final answer
    x = 312,932.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.