Home / 768,149.68-1,059,888.28-441,399.57

Finding the Fourth Proportional to 768,149.68, 1,059,888.28 and 441,399.57

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Solution

The fourth proportional to 768,149.68, 1,059,888.28 and 441,399.57 is: 609,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,149.68 : 1,059,888.28 = 441,399.57 : x
  2. Step 2: Convert to fraction form
    768,149.68/1,059,888.28 = 441,399.57/x
  3. Step 3: Cross multiply
    768,149.68x = 1,059,888.28 × 441,399.57
  4. Step 4: Simplify right side
    768,149.68x = 467,834,231,040.04
  5. Step 5: Solve for x
    x = 467,834,231,040.04/768,149.68
  6. Step 6: Final answer
    x = 609,040.46

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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.