Home / 767,681.31-1,059,057.88-445,204.52

Finding the Fourth Proportional to 767,681.31, 1,059,057.88 and 445,204.52

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Solution

The fourth proportional to 767,681.31, 1,059,057.88 and 445,204.52 is: 614,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,681.31 : 1,059,057.88 = 445,204.52 : x
  2. Step 2: Convert to fraction form
    767,681.31/1,059,057.88 = 445,204.52/x
  3. Step 3: Cross multiply
    767,681.31x = 1,059,057.88 × 445,204.52
  4. Step 4: Simplify right side
    767,681.31x = 471,497,355,117.62
  5. Step 5: Solve for x
    x = 471,497,355,117.62/767,681.31
  6. Step 6: Final answer
    x = 614,183.71

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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.