Home / 792,108.30-1,188,162.45-392,810.70

Finding the Fourth Proportional to 792,108.30, 1,188,162.45 and 392,810.70

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Solution

The fourth proportional to 792,108.30, 1,188,162.45 and 392,810.70 is: 589,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,108.30 : 1,188,162.45 = 392,810.70 : x
  2. Step 2: Convert to fraction form
    792,108.30/1,188,162.45 = 392,810.70/x
  3. Step 3: Cross multiply
    792,108.30x = 1,188,162.45 × 392,810.70
  4. Step 4: Simplify right side
    792,108.30x = 466,722,923,698.22
  5. Step 5: Solve for x
    x = 466,722,923,698.22/792,108.30
  6. Step 6: Final answer
    x = 589,216.05

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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.