Home / 1,053,198.72-1,577,815.20-520,097.76

Finding the Fourth Proportional to 1,053,198.72, 1,577,815.20 and 520,097.76

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Solution

The fourth proportional to 1,053,198.72, 1,577,815.20 and 520,097.76 is: 779,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,198.72 : 1,577,815.20 = 520,097.76 : x
  2. Step 2: Convert to fraction form
    1,053,198.72/1,577,815.20 = 520,097.76/x
  3. Step 3: Cross multiply
    1,053,198.72x = 1,577,815.20 × 520,097.76
  4. Step 4: Simplify right side
    1,053,198.72x = 820,618,151,213.95
  5. Step 5: Solve for x
    x = 820,618,151,213.95/1,053,198.72
  6. Step 6: Final answer
    x = 779,167.44

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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.