Home / 901,631.60-1,244,254.20-493,737.20

Finding the Fourth Proportional to 901,631.60, 1,244,254.20 and 493,737.20

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Solution

The fourth proportional to 901,631.60, 1,244,254.20 and 493,737.20 is: 681,358.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,631.60 : 1,244,254.20 = 493,737.20 : x
  2. Step 2: Convert to fraction form
    901,631.60/1,244,254.20 = 493,737.20/x
  3. Step 3: Cross multiply
    901,631.60x = 1,244,254.20 × 493,737.20
  4. Step 4: Simplify right side
    901,631.60x = 614,334,584,796.24
  5. Step 5: Solve for x
    x = 614,334,584,796.24/901,631.60
  6. Step 6: Final answer
    x = 681,358.76

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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.