Home / 1,016,943.62-1,403,378.24-558,065.84

Finding the Fourth Proportional to 1,016,943.62, 1,403,378.24 and 558,065.84

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Solution

The fourth proportional to 1,016,943.62, 1,403,378.24 and 558,065.84 is: 770,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,943.62 : 1,403,378.24 = 558,065.84 : x
  2. Step 2: Convert to fraction form
    1,016,943.62/1,403,378.24 = 558,065.84/x
  3. Step 3: Cross multiply
    1,016,943.62x = 1,403,378.24 × 558,065.84
  4. Step 4: Simplify right side
    1,016,943.62x = 783,177,446,536.10
  5. Step 5: Solve for x
    x = 783,177,446,536.10/1,016,943.62
  6. Step 6: Final answer
    x = 770,128.68

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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.