Home / 827,771.70-1,241,657.55-615,195.30

Finding the Fourth Proportional to 827,771.70, 1,241,657.55 and 615,195.30

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Solution

The fourth proportional to 827,771.70, 1,241,657.55 and 615,195.30 is: 922,792.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,771.70 : 1,241,657.55 = 615,195.30 : x
  2. Step 2: Convert to fraction form
    827,771.70/1,241,657.55 = 615,195.30/x
  3. Step 3: Cross multiply
    827,771.70x = 1,241,657.55 × 615,195.30
  4. Step 4: Simplify right side
    827,771.70x = 763,861,888,969.52
  5. Step 5: Solve for x
    x = 763,861,888,969.52/827,771.70
  6. Step 6: Final answer
    x = 922,792.95

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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.