Home / 559,956.20-839,934.30-205,006.10

Finding the Fourth Proportional to 559,956.20, 839,934.30 and 205,006.10

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Solution

The fourth proportional to 559,956.20, 839,934.30 and 205,006.10 is: 307,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,956.20 : 839,934.30 = 205,006.10 : x
  2. Step 2: Convert to fraction form
    559,956.20/839,934.30 = 205,006.10/x
  3. Step 3: Cross multiply
    559,956.20x = 839,934.30 × 205,006.10
  4. Step 4: Simplify right side
    559,956.20x = 172,191,655,099.23
  5. Step 5: Solve for x
    x = 172,191,655,099.23/559,956.20
  6. Step 6: Final answer
    x = 307,509.15

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Similar ratio
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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.