Home / 812,184.09-1,120,822.91-449,614

Finding the Fourth Proportional to 812,184.09, 1,120,822.91 and 449,614

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Solution

The fourth proportional to 812,184.09, 1,120,822.91 and 449,614 is: 620,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,184.09 : 1,120,822.91 = 449,614 : x
  2. Step 2: Convert to fraction form
    812,184.09/1,120,822.91 = 449,614/x
  3. Step 3: Cross multiply
    812,184.09x = 1,120,822.91 × 449,614
  4. Step 4: Simplify right side
    812,184.09x = 503,937,671,856.74
  5. Step 5: Solve for x
    x = 503,937,671,856.74/812,184.09
  6. Step 6: Final answer
    x = 620,472.23

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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.