Home / 1,343,641.38-1,854,277.83-762,918.90

Finding the Fourth Proportional to 1,343,641.38, 1,854,277.83 and 762,918.90

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Solution

The fourth proportional to 1,343,641.38, 1,854,277.83 and 762,918.90 is: 1,052,858.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,641.38 : 1,854,277.83 = 762,918.90 : x
  2. Step 2: Convert to fraction form
    1,343,641.38/1,854,277.83 = 762,918.90/x
  3. Step 3: Cross multiply
    1,343,641.38x = 1,854,277.83 × 762,918.90
  4. Step 4: Simplify right side
    1,343,641.38x = 1,414,663,602,357.99
  5. Step 5: Solve for x
    x = 1,414,663,602,357.99/1,343,641.38
  6. Step 6: Final answer
    x = 1,052,858.02

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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.