Home / 1,218,734.66-1,681,833.17-674,858.82

Finding the Fourth Proportional to 1,218,734.66, 1,681,833.17 and 674,858.82

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Solution

The fourth proportional to 1,218,734.66, 1,681,833.17 and 674,858.82 is: 931,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,734.66 : 1,681,833.17 = 674,858.82 : x
  2. Step 2: Convert to fraction form
    1,218,734.66/1,681,833.17 = 674,858.82/x
  3. Step 3: Cross multiply
    1,218,734.66x = 1,681,833.17 × 674,858.82
  4. Step 4: Simplify right side
    1,218,734.66x = 1,134,999,948,543.06
  5. Step 5: Solve for x
    x = 1,134,999,948,543.06/1,218,734.66
  6. Step 6: Final answer
    x = 931,293.73

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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.