Home / 880,924.80-1,321,387.20-615,204.30

Finding the Fourth Proportional to 880,924.80, 1,321,387.20 and 615,204.30

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Solution

The fourth proportional to 880,924.80, 1,321,387.20 and 615,204.30 is: 922,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,924.80 : 1,321,387.20 = 615,204.30 : x
  2. Step 2: Convert to fraction form
    880,924.80/1,321,387.20 = 615,204.30/x
  3. Step 3: Cross multiply
    880,924.80x = 1,321,387.20 × 615,204.30
  4. Step 4: Simplify right side
    880,924.80x = 812,923,087,404.96
  5. Step 5: Solve for x
    x = 812,923,087,404.96/880,924.80
  6. Step 6: Final answer
    x = 922,806.45

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Half scale
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Double scale
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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.