Home / 559,362.20-839,043.39-185,385.20

Finding the Fourth Proportional to 559,362.20, 839,043.39 and 185,385.20

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Solution

The fourth proportional to 559,362.20, 839,043.39 and 185,385.20 is: 278,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,362.20 : 839,043.39 = 185,385.20 : x
  2. Step 2: Convert to fraction form
    559,362.20/839,043.39 = 185,385.20/x
  3. Step 3: Cross multiply
    559,362.20x = 839,043.39 × 185,385.20
  4. Step 4: Simplify right side
    559,362.20x = 155,546,222,468.61
  5. Step 5: Solve for x
    x = 155,546,222,468.61/559,362.20
  6. Step 6: Final answer
    x = 278,077.82

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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.