Home / 522,921.48-784,385.67-143,882.25

Finding the Fourth Proportional to 522,921.48, 784,385.67 and 143,882.25

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Solution

The fourth proportional to 522,921.48, 784,385.67 and 143,882.25 is: 215,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,921.48 : 784,385.67 = 143,882.25 : x
  2. Step 2: Convert to fraction form
    522,921.48/784,385.67 = 143,882.25/x
  3. Step 3: Cross multiply
    522,921.48x = 784,385.67 × 143,882.25
  4. Step 4: Simplify right side
    522,921.48x = 112,859,175,067.36
  5. Step 5: Solve for x
    x = 112,859,175,067.36/522,921.48
  6. Step 6: Final answer
    x = 215,824.32

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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.