Home / 792,114.30-1,188,171.45-392,816.70

Finding the Fourth Proportional to 792,114.30, 1,188,171.45 and 392,816.70

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Solution

The fourth proportional to 792,114.30, 1,188,171.45 and 392,816.70 is: 589,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,114.30 : 1,188,171.45 = 392,816.70 : x
  2. Step 2: Convert to fraction form
    792,114.30/1,188,171.45 = 392,816.70/x
  3. Step 3: Cross multiply
    792,114.30x = 1,188,171.45 × 392,816.70
  4. Step 4: Simplify right side
    792,114.30x = 466,733,588,023.22
  5. Step 5: Solve for x
    x = 466,733,588,023.22/792,114.30
  6. Step 6: Final answer
    x = 589,225.05

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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.