Home / 1,172,819.34-1,618,470.06-649,519.11

Finding the Fourth Proportional to 1,172,819.34, 1,618,470.06 and 649,519.11

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Solution

The fourth proportional to 1,172,819.34, 1,618,470.06 and 649,519.11 is: 896,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,819.34 : 1,618,470.06 = 649,519.11 : x
  2. Step 2: Convert to fraction form
    1,172,819.34/1,618,470.06 = 649,519.11/x
  3. Step 3: Cross multiply
    1,172,819.34x = 1,618,470.06 × 649,519.11
  4. Step 4: Simplify right side
    1,172,819.34x = 1,051,227,230,497.15
  5. Step 5: Solve for x
    x = 1,051,227,230,497.15/1,172,819.34
  6. Step 6: Final answer
    x = 896,324.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.