Home / 1,166,916.27-1,610,304.65-643,647.62

Finding the Fourth Proportional to 1,166,916.27, 1,610,304.65 and 643,647.62

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Solution

The fourth proportional to 1,166,916.27, 1,610,304.65 and 643,647.62 is: 888,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,916.27 : 1,610,304.65 = 643,647.62 : x
  2. Step 2: Convert to fraction form
    1,166,916.27/1,610,304.65 = 643,647.62/x
  3. Step 3: Cross multiply
    1,166,916.27x = 1,610,304.65 × 643,647.62
  4. Step 4: Simplify right side
    1,166,916.27x = 1,036,468,755,447.43
  5. Step 5: Solve for x
    x = 1,036,468,755,447.43/1,166,916.27
  6. Step 6: Final answer
    x = 888,211.76

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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.