Home / 1,157,660.20-1,736,490.30-409,781.80

Finding the Fourth Proportional to 1,157,660.20, 1,736,490.30 and 409,781.80

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Solution

The fourth proportional to 1,157,660.20, 1,736,490.30 and 409,781.80 is: 614,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,660.20 : 1,736,490.30 = 409,781.80 : x
  2. Step 2: Convert to fraction form
    1,157,660.20/1,736,490.30 = 409,781.80/x
  3. Step 3: Cross multiply
    1,157,660.20x = 1,736,490.30 × 409,781.80
  4. Step 4: Simplify right side
    1,157,660.20x = 711,582,120,816.54
  5. Step 5: Solve for x
    x = 711,582,120,816.54/1,157,660.20
  6. Step 6: Final answer
    x = 614,672.70

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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.