Home / 748,932.56-1,033,520.28-409,397.84

Finding the Fourth Proportional to 748,932.56, 1,033,520.28 and 409,397.84

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Solution

The fourth proportional to 748,932.56, 1,033,520.28 and 409,397.84 is: 564,965.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,932.56 : 1,033,520.28 = 409,397.84 : x
  2. Step 2: Convert to fraction form
    748,932.56/1,033,520.28 = 409,397.84/x
  3. Step 3: Cross multiply
    748,932.56x = 1,033,520.28 × 409,397.84
  4. Step 4: Simplify right side
    748,932.56x = 423,120,970,228.20
  5. Step 5: Solve for x
    x = 423,120,970,228.20/748,932.56
  6. Step 6: Final answer
    x = 564,965.38

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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.