Home / 449,221.06-619,916.74-255,624.47

Finding the Fourth Proportional to 449,221.06, 619,916.74 and 255,624.47

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Solution

The fourth proportional to 449,221.06, 619,916.74 and 255,624.47 is: 352,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,221.06 : 619,916.74 = 255,624.47 : x
  2. Step 2: Convert to fraction form
    449,221.06/619,916.74 = 255,624.47/x
  3. Step 3: Cross multiply
    449,221.06x = 619,916.74 × 255,624.47
  4. Step 4: Simplify right side
    449,221.06x = 158,465,891,617.59
  5. Step 5: Solve for x
    x = 158,465,891,617.59/449,221.06
  6. Step 6: Final answer
    x = 352,757.04

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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.