Home / 427,787.18-590,320.95-236,789.18

Finding the Fourth Proportional to 427,787.18, 590,320.95 and 236,789.18

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Solution

The fourth proportional to 427,787.18, 590,320.95 and 236,789.18 is: 326,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,787.18 : 590,320.95 = 236,789.18 : x
  2. Step 2: Convert to fraction form
    427,787.18/590,320.95 = 236,789.18/x
  3. Step 3: Cross multiply
    427,787.18x = 590,320.95 × 236,789.18
  4. Step 4: Simplify right side
    427,787.18x = 139,781,613,687.32
  5. Step 5: Solve for x
    x = 139,781,613,687.32/427,787.18
  6. Step 6: Final answer
    x = 326,755.03

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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.