Home / 654,312.13-981,468.34-205,032.92

Finding the Fourth Proportional to 654,312.13, 981,468.34 and 205,032.92

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Solution

The fourth proportional to 654,312.13, 981,468.34 and 205,032.92 is: 307,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,312.13 : 981,468.34 = 205,032.92 : x
  2. Step 2: Convert to fraction form
    654,312.13/981,468.34 = 205,032.92/x
  3. Step 3: Cross multiply
    654,312.13x = 981,468.34 × 205,032.92
  4. Step 4: Simplify right side
    654,312.13x = 201,233,320,891.90
  5. Step 5: Solve for x
    x = 201,233,320,891.90/654,312.13
  6. Step 6: Final answer
    x = 307,549.43

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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.