Home / 875,353.23-1,207,963.37-488,180.43

Finding the Fourth Proportional to 875,353.23, 1,207,963.37 and 488,180.43

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Solution

The fourth proportional to 875,353.23, 1,207,963.37 and 488,180.43 is: 673,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,353.23 : 1,207,963.37 = 488,180.43 : x
  2. Step 2: Convert to fraction form
    875,353.23/1,207,963.37 = 488,180.43/x
  3. Step 3: Cross multiply
    875,353.23x = 1,207,963.37 × 488,180.43
  4. Step 4: Simplify right side
    875,353.23x = 589,704,074,949.95
  5. Step 5: Solve for x
    x = 589,704,074,949.95/875,353.23
  6. Step 6: Final answer
    x = 673,675.56

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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.