Home / 872,617.47-1,203,219.26-614,411.88

Finding the Fourth Proportional to 872,617.47, 1,203,219.26 and 614,411.88

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Solution

The fourth proportional to 872,617.47, 1,203,219.26 and 614,411.88 is: 847,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,617.47 : 1,203,219.26 = 614,411.88 : x
  2. Step 2: Convert to fraction form
    872,617.47/1,203,219.26 = 614,411.88/x
  3. Step 3: Cross multiply
    872,617.47x = 1,203,219.26 × 614,411.88
  4. Step 4: Simplify right side
    872,617.47x = 739,272,202,308.72
  5. Step 5: Solve for x
    x = 739,272,202,308.72/872,617.47
  6. Step 6: Final answer
    x = 847,189.33

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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.