Home / 784,906.10-1,177,359.15-193,930.10

Finding the Fourth Proportional to 784,906.10, 1,177,359.15 and 193,930.10

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Solution

The fourth proportional to 784,906.10, 1,177,359.15 and 193,930.10 is: 290,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,906.10 : 1,177,359.15 = 193,930.10 : x
  2. Step 2: Convert to fraction form
    784,906.10/1,177,359.15 = 193,930.10/x
  3. Step 3: Cross multiply
    784,906.10x = 1,177,359.15 × 193,930.10
  4. Step 4: Simplify right side
    784,906.10x = 228,325,377,695.42
  5. Step 5: Solve for x
    x = 228,325,377,695.42/784,906.10
  6. Step 6: Final answer
    x = 290,895.15

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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.