Home / 438,931.26-657,760.77-185,862.42

Finding the Fourth Proportional to 438,931.26, 657,760.77 and 185,862.42

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Solution

The fourth proportional to 438,931.26, 657,760.77 and 185,862.42 is: 278,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,931.26 : 657,760.77 = 185,862.42 : x
  2. Step 2: Convert to fraction form
    438,931.26/657,760.77 = 185,862.42/x
  3. Step 3: Cross multiply
    438,931.26x = 657,760.77 × 185,862.42
  4. Step 4: Simplify right side
    438,931.26x = 122,253,008,493.26
  5. Step 5: Solve for x
    x = 122,253,008,493.26/438,931.26
  6. Step 6: Final answer
    x = 278,524.27

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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.