Home / 813,905.60-1,222,024.80-615,617.60

Finding the Fourth Proportional to 813,905.60, 1,222,024.80 and 615,617.60

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Solution

The fourth proportional to 813,905.60, 1,222,024.80 and 615,617.60 is: 924,308.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,905.60 : 1,222,024.80 = 615,617.60 : x
  2. Step 2: Convert to fraction form
    813,905.60/1,222,024.80 = 615,617.60/x
  3. Step 3: Cross multiply
    813,905.60x = 1,222,024.80 × 615,617.60
  4. Step 4: Simplify right side
    813,905.60x = 752,299,974,516.48
  5. Step 5: Solve for x
    x = 752,299,974,516.48/813,905.60
  6. Step 6: Final answer
    x = 924,308.64

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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.