Home / 439,024.96-605,854.24-237,819.20

Finding the Fourth Proportional to 439,024.96, 605,854.24 and 237,819.20

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Solution

The fourth proportional to 439,024.96, 605,854.24 and 237,819.20 is: 328,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,024.96 : 605,854.24 = 237,819.20 : x
  2. Step 2: Convert to fraction form
    439,024.96/605,854.24 = 237,819.20/x
  3. Step 3: Cross multiply
    439,024.96x = 605,854.24 × 237,819.20
  4. Step 4: Simplify right side
    439,024.96x = 144,083,770,673.41
  5. Step 5: Solve for x
    x = 144,083,770,673.41/439,024.96
  6. Step 6: Final answer
    x = 328,190.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.