Home / 456,512.80-684,769.20-156,966.70

Finding the Fourth Proportional to 456,512.80, 684,769.20 and 156,966.70

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Solution

The fourth proportional to 456,512.80, 684,769.20 and 156,966.70 is: 235,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,512.80 : 684,769.20 = 156,966.70 : x
  2. Step 2: Convert to fraction form
    456,512.80/684,769.20 = 156,966.70/x
  3. Step 3: Cross multiply
    456,512.80x = 684,769.20 × 156,966.70
  4. Step 4: Simplify right side
    456,512.80x = 107,485,961,585.64
  5. Step 5: Solve for x
    x = 107,485,961,585.64/456,512.80
  6. Step 6: Final answer
    x = 235,450.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.