Home / 442,836.80-664,574.40-176,443.04

Finding the Fourth Proportional to 442,836.80, 664,574.40 and 176,443.04

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Solution

The fourth proportional to 442,836.80, 664,574.40 and 176,443.04 is: 264,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,836.80 : 664,574.40 = 176,443.04 : x
  2. Step 2: Convert to fraction form
    442,836.80/664,574.40 = 176,443.04/x
  3. Step 3: Cross multiply
    442,836.80x = 664,574.40 × 176,443.04
  4. Step 4: Simplify right side
    442,836.80x = 117,259,527,442.18
  5. Step 5: Solve for x
    x = 117,259,527,442.18/442,836.80
  6. Step 6: Final answer
    x = 264,791.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.