Home / 1,133,335.53-1,691,711.60-998,818.83

Finding the Fourth Proportional to 1,133,335.53, 1,691,711.60 and 998,818.83

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Solution

The fourth proportional to 1,133,335.53, 1,691,711.60 and 998,818.83 is: 1,490,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,335.53 : 1,691,711.60 = 998,818.83 : x
  2. Step 2: Convert to fraction form
    1,133,335.53/1,691,711.60 = 998,818.83/x
  3. Step 3: Cross multiply
    1,133,335.53x = 1,691,711.60 × 998,818.83
  4. Step 4: Simplify right side
    1,133,335.53x = 1,689,713,396,015.33
  5. Step 5: Solve for x
    x = 1,689,713,396,015.33/1,133,335.53
  6. Step 6: Final answer
    x = 1,490,920.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.