Home / 748,838.22-1,033,397.26-409,306.46

Finding the Fourth Proportional to 748,838.22, 1,033,397.26 and 409,306.46

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Solution

The fourth proportional to 748,838.22, 1,033,397.26 and 409,306.46 is: 564,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,838.22 : 1,033,397.26 = 409,306.46 : x
  2. Step 2: Convert to fraction form
    748,838.22/1,033,397.26 = 409,306.46/x
  3. Step 3: Cross multiply
    748,838.22x = 1,033,397.26 × 409,306.46
  4. Step 4: Simplify right side
    748,838.22x = 422,976,174,264.30
  5. Step 5: Solve for x
    x = 422,976,174,264.30/748,838.22
  6. Step 6: Final answer
    x = 564,843.20

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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.