Home / 442,629.20-664,030.20-176,344.40

Finding the Fourth Proportional to 442,629.20, 664,030.20 and 176,344.40

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Solution

The fourth proportional to 442,629.20, 664,030.20 and 176,344.40 is: 264,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,629.20 : 664,030.20 = 176,344.40 : x
  2. Step 2: Convert to fraction form
    442,629.20/664,030.20 = 176,344.40/x
  3. Step 3: Cross multiply
    442,629.20x = 664,030.20 × 176,344.40
  4. Step 4: Simplify right side
    442,629.20x = 117,098,007,200.88
  5. Step 5: Solve for x
    x = 117,098,007,200.88/442,629.20
  6. Step 6: Final answer
    x = 264,551.02

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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.