Home / 408,030.90-563,046.82-226,731.32

Finding the Fourth Proportional to 408,030.90, 563,046.82 and 226,731.32

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Solution

The fourth proportional to 408,030.90, 563,046.82 and 226,731.32 is: 312,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,030.90 : 563,046.82 = 226,731.32 : x
  2. Step 2: Convert to fraction form
    408,030.90/563,046.82 = 226,731.32/x
  3. Step 3: Cross multiply
    408,030.90x = 563,046.82 × 226,731.32
  4. Step 4: Simplify right side
    408,030.90x = 127,660,348,720.40
  5. Step 5: Solve for x
    x = 127,660,348,720.40/408,030.90
  6. Step 6: Final answer
    x = 312,869.32

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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.