Home / 439,023.80-605,851.54-248,037.12

Finding the Fourth Proportional to 439,023.80, 605,851.54 and 248,037.12

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Solution

The fourth proportional to 439,023.80, 605,851.54 and 248,037.12 is: 342,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,023.80 : 605,851.54 = 248,037.12 : x
  2. Step 2: Convert to fraction form
    439,023.80/605,851.54 = 248,037.12/x
  3. Step 3: Cross multiply
    439,023.80x = 605,851.54 × 248,037.12
  4. Step 4: Simplify right side
    439,023.80x = 150,273,671,129.17
  5. Step 5: Solve for x
    x = 150,273,671,129.17/439,023.80
  6. Step 6: Final answer
    x = 342,290.49

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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.