Home / 784,891.60-1,177,337.40-336,119.20

Finding the Fourth Proportional to 784,891.60, 1,177,337.40 and 336,119.20

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Solution

The fourth proportional to 784,891.60, 1,177,337.40 and 336,119.20 is: 504,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,891.60 : 1,177,337.40 = 336,119.20 : x
  2. Step 2: Convert to fraction form
    784,891.60/1,177,337.40 = 336,119.20/x
  3. Step 3: Cross multiply
    784,891.60x = 1,177,337.40 × 336,119.20
  4. Step 4: Simplify right side
    784,891.60x = 395,725,705,018.08
  5. Step 5: Solve for x
    x = 395,725,705,018.08/784,891.60
  6. Step 6: Final answer
    x = 504,178.80

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Half scale
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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.