Home / 1,192,895.30-1,646,212.41-649,031.47

Finding the Fourth Proportional to 1,192,895.30, 1,646,212.41 and 649,031.47

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Solution

The fourth proportional to 1,192,895.30, 1,646,212.41 and 649,031.47 is: 895,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,895.30 : 1,646,212.41 = 649,031.47 : x
  2. Step 2: Convert to fraction form
    1,192,895.30/1,646,212.41 = 649,031.47/x
  3. Step 3: Cross multiply
    1,192,895.30x = 1,646,212.41 × 649,031.47
  4. Step 4: Simplify right side
    1,192,895.30x = 1,068,443,656,279.01
  5. Step 5: Solve for x
    x = 1,068,443,656,279.01/1,192,895.30
  6. Step 6: Final answer
    x = 895,672.62

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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.