Home / 432,464.90-648,695.82-116,921.76

Finding the Fourth Proportional to 432,464.90, 648,695.82 and 116,921.76

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Solution

The fourth proportional to 432,464.90, 648,695.82 and 116,921.76 is: 175,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,464.90 : 648,695.82 = 116,921.76 : x
  2. Step 2: Convert to fraction form
    432,464.90/648,695.82 = 116,921.76/x
  3. Step 3: Cross multiply
    432,464.90x = 648,695.82 × 116,921.76
  4. Step 4: Simplify right side
    432,464.90x = 75,846,656,979.04
  5. Step 5: Solve for x
    x = 75,846,656,979.04/432,464.90
  6. Step 6: Final answer
    x = 175,382.23

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1.5x scale

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.