Home / 827,792.20-1,241,688.30-615,215.80

Finding the Fourth Proportional to 827,792.20, 1,241,688.30 and 615,215.80

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Solution

The fourth proportional to 827,792.20, 1,241,688.30 and 615,215.80 is: 922,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,792.20 : 1,241,688.30 = 615,215.80 : x
  2. Step 2: Convert to fraction form
    827,792.20/1,241,688.30 = 615,215.80/x
  3. Step 3: Cross multiply
    827,792.20x = 1,241,688.30 × 615,215.80
  4. Step 4: Simplify right side
    827,792.20x = 763,906,260,835.14
  5. Step 5: Solve for x
    x = 763,906,260,835.14/827,792.20
  6. Step 6: Final answer
    x = 922,823.70

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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.