Home / 469,905.95-648,470.80-255,046.07

Finding the Fourth Proportional to 469,905.95, 648,470.80 and 255,046.07

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Solution

The fourth proportional to 469,905.95, 648,470.80 and 255,046.07 is: 351,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,905.95 : 648,470.80 = 255,046.07 : x
  2. Step 2: Convert to fraction form
    469,905.95/648,470.80 = 255,046.07/x
  3. Step 3: Cross multiply
    469,905.95x = 648,470.80 × 255,046.07
  4. Step 4: Simplify right side
    469,905.95x = 165,389,930,033.32
  5. Step 5: Solve for x
    x = 165,389,930,033.32/469,905.95
  6. Step 6: Final answer
    x = 351,963.90

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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.