Home / 1,040,091.71-1,557,473.81-719,800.11

Finding the Fourth Proportional to 1,040,091.71, 1,557,473.81 and 719,800.11

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Solution

The fourth proportional to 1,040,091.71, 1,557,473.81 and 719,800.11 is: 1,077,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,091.71 : 1,557,473.81 = 719,800.11 : x
  2. Step 2: Convert to fraction form
    1,040,091.71/1,557,473.81 = 719,800.11/x
  3. Step 3: Cross multiply
    1,040,091.71x = 1,557,473.81 × 719,800.11
  4. Step 4: Simplify right side
    1,040,091.71x = 1,121,069,816,161.12
  5. Step 5: Solve for x
    x = 1,121,069,816,161.12/1,040,091.71
  6. Step 6: Final answer
    x = 1,077,856.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.