Home / 657,114.78-985,523.52-301,787.22

Finding the Fourth Proportional to 657,114.78, 985,523.52 and 301,787.22

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Solution

The fourth proportional to 657,114.78, 985,523.52 and 301,787.22 is: 452,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,114.78 : 985,523.52 = 301,787.22 : x
  2. Step 2: Convert to fraction form
    657,114.78/985,523.52 = 301,787.22/x
  3. Step 3: Cross multiply
    657,114.78x = 985,523.52 × 301,787.22
  4. Step 4: Simplify right side
    657,114.78x = 297,418,403,345.41
  5. Step 5: Solve for x
    x = 297,418,403,345.41/657,114.78
  6. Step 6: Final answer
    x = 452,612.56

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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.