Home / 1,016,917.56-1,403,342.34-558,039.72

Finding the Fourth Proportional to 1,016,917.56, 1,403,342.34 and 558,039.72

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Solution

The fourth proportional to 1,016,917.56, 1,403,342.34 and 558,039.72 is: 770,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,917.56 : 1,403,342.34 = 558,039.72 : x
  2. Step 2: Convert to fraction form
    1,016,917.56/1,403,342.34 = 558,039.72/x
  3. Step 3: Cross multiply
    1,016,917.56x = 1,403,342.34 × 558,039.72
  4. Step 4: Simplify right side
    1,016,917.56x = 783,120,766,477.75
  5. Step 5: Solve for x
    x = 783,120,766,477.75/1,016,917.56
  6. Step 6: Final answer
    x = 770,092.68

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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.