Home / 449,166.20-619,827.80-255,555.95

Finding the Fourth Proportional to 449,166.20, 619,827.80 and 255,555.95

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Solution

The fourth proportional to 449,166.20, 619,827.80 and 255,555.95 is: 352,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,166.20 : 619,827.80 = 255,555.95 : x
  2. Step 2: Convert to fraction form
    449,166.20/619,827.80 = 255,555.95/x
  3. Step 3: Cross multiply
    449,166.20x = 619,827.80 × 255,555.95
  4. Step 4: Simplify right side
    449,166.20x = 158,400,677,888.49
  5. Step 5: Solve for x
    x = 158,400,677,888.49/449,166.20
  6. Step 6: Final answer
    x = 352,654.94

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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.