Home / 730,787.33-1,008,468.72-408,535.31

Finding the Fourth Proportional to 730,787.33, 1,008,468.72 and 408,535.31

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Solution

The fourth proportional to 730,787.33, 1,008,468.72 and 408,535.31 is: 563,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,787.33 : 1,008,468.72 = 408,535.31 : x
  2. Step 2: Convert to fraction form
    730,787.33/1,008,468.72 = 408,535.31/x
  3. Step 3: Cross multiply
    730,787.33x = 1,008,468.72 × 408,535.31
  4. Step 4: Simplify right side
    730,787.33x = 411,995,083,671.68
  5. Step 5: Solve for x
    x = 411,995,083,671.68/730,787.33
  6. Step 6: Final answer
    x = 563,768.78

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1.5x scale

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.