Home / 1,160,134.38-1,600,961.31-643,858.29

Finding the Fourth Proportional to 1,160,134.38, 1,600,961.31 and 643,858.29

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Solution

The fourth proportional to 1,160,134.38, 1,600,961.31 and 643,858.29 is: 888,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,134.38 : 1,600,961.31 = 643,858.29 : x
  2. Step 2: Convert to fraction form
    1,160,134.38/1,600,961.31 = 643,858.29/x
  3. Step 3: Cross multiply
    1,160,134.38x = 1,600,961.31 × 643,858.29
  4. Step 4: Simplify right side
    1,160,134.38x = 1,030,792,211,412.76
  5. Step 5: Solve for x
    x = 1,030,792,211,412.76/1,160,134.38
  6. Step 6: Final answer
    x = 888,511.05

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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.