Home / 791,200.20-1,186,800.30-417,952.20

Finding the Fourth Proportional to 791,200.20, 1,186,800.30 and 417,952.20

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Solution

The fourth proportional to 791,200.20, 1,186,800.30 and 417,952.20 is: 626,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,200.20 : 1,186,800.30 = 417,952.20 : x
  2. Step 2: Convert to fraction form
    791,200.20/1,186,800.30 = 417,952.20/x
  3. Step 3: Cross multiply
    791,200.20x = 1,186,800.30 × 417,952.20
  4. Step 4: Simplify right side
    791,200.20x = 496,025,796,345.66
  5. Step 5: Solve for x
    x = 496,025,796,345.66/791,200.20
  6. Step 6: Final answer
    x = 626,928.30

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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.