Home / 1,371,042.33-1,891,812.83-861,381.69

Finding the Fourth Proportional to 1,371,042.33, 1,891,812.83 and 861,381.69

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Solution

The fourth proportional to 1,371,042.33, 1,891,812.83 and 861,381.69 is: 1,188,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,042.33 : 1,891,812.83 = 861,381.69 : x
  2. Step 2: Convert to fraction form
    1,371,042.33/1,891,812.83 = 861,381.69/x
  3. Step 3: Cross multiply
    1,371,042.33x = 1,891,812.83 × 861,381.69
  4. Step 4: Simplify right side
    1,371,042.33x = 1,629,572,928,362.17
  5. Step 5: Solve for x
    x = 1,629,572,928,362.17/1,371,042.33
  6. Step 6: Final answer
    x = 1,188,565.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.