Home / 747,912.52-1,032,119.22-408,381.04

Finding the Fourth Proportional to 747,912.52, 1,032,119.22 and 408,381.04

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Solution

The fourth proportional to 747,912.52, 1,032,119.22 and 408,381.04 is: 563,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,912.52 : 1,032,119.22 = 408,381.04 : x
  2. Step 2: Convert to fraction form
    747,912.52/1,032,119.22 = 408,381.04/x
  3. Step 3: Cross multiply
    747,912.52x = 1,032,119.22 × 408,381.04
  4. Step 4: Simplify right side
    747,912.52x = 421,497,920,467.59
  5. Step 5: Solve for x
    x = 421,497,920,467.59/747,912.52
  6. Step 6: Final answer
    x = 563,565.80

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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.