Home / 559,986.20-839,979.30-160,591.40

Finding the Fourth Proportional to 559,986.20, 839,979.30 and 160,591.40

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Solution

The fourth proportional to 559,986.20, 839,979.30 and 160,591.40 is: 240,887.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,986.20 : 839,979.30 = 160,591.40 : x
  2. Step 2: Convert to fraction form
    559,986.20/839,979.30 = 160,591.40/x
  3. Step 3: Cross multiply
    559,986.20x = 839,979.30 × 160,591.40
  4. Step 4: Simplify right side
    559,986.20x = 134,893,451,758.02
  5. Step 5: Solve for x
    x = 134,893,451,758.02/559,986.20
  6. Step 6: Final answer
    x = 240,887.10

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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.