Home / 1,586,279.54-2,189,050.45-861,111.70

Finding the Fourth Proportional to 1,586,279.54, 2,189,050.45 and 861,111.70

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Solution

The fourth proportional to 1,586,279.54, 2,189,050.45 and 861,111.70 is: 1,188,325.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,279.54 : 2,189,050.45 = 861,111.70 : x
  2. Step 2: Convert to fraction form
    1,586,279.54/2,189,050.45 = 861,111.70/x
  3. Step 3: Cross multiply
    1,586,279.54x = 2,189,050.45 × 861,111.70
  4. Step 4: Simplify right side
    1,586,279.54x = 1,885,016,954,385.27
  5. Step 5: Solve for x
    x = 1,885,016,954,385.27/1,586,279.54
  6. Step 6: Final answer
    x = 1,188,325.83

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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.