Home / 1,133,333.28-1,691,708.24-998,816.58

Finding the Fourth Proportional to 1,133,333.28, 1,691,708.24 and 998,816.58

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Solution

The fourth proportional to 1,133,333.28, 1,691,708.24 and 998,816.58 is: 1,490,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,333.28 : 1,691,708.24 = 998,816.58 : x
  2. Step 2: Convert to fraction form
    1,133,333.28/1,691,708.24 = 998,816.58/x
  3. Step 3: Cross multiply
    1,133,333.28x = 1,691,708.24 × 998,816.58
  4. Step 4: Simplify right side
    1,133,333.28x = 1,689,706,241,131.66
  5. Step 5: Solve for x
    x = 1,689,706,241,131.66/1,133,333.28
  6. Step 6: Final answer
    x = 1,490,917.34

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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.