Home / 748,909.20-1,033,242.48-426,391.20

Finding the Fourth Proportional to 748,909.20, 1,033,242.48 and 426,391.20

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Solution

The fourth proportional to 748,909.20, 1,033,242.48 and 426,391.20 is: 588,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,909.20 : 1,033,242.48 = 426,391.20 : x
  2. Step 2: Convert to fraction form
    748,909.20/1,033,242.48 = 426,391.20/x
  3. Step 3: Cross multiply
    748,909.20x = 1,033,242.48 × 426,391.20
  4. Step 4: Simplify right side
    748,909.20x = 440,565,500,938.18
  5. Step 5: Solve for x
    x = 440,565,500,938.18/748,909.20
  6. Step 6: Final answer
    x = 588,276.26

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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.