Home / 1,586,875.98-2,189,906.67-861,732.30

Finding the Fourth Proportional to 1,586,875.98, 2,189,906.67 and 861,732.30

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Solution

The fourth proportional to 1,586,875.98, 2,189,906.67 and 861,732.30 is: 1,189,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,875.98 : 2,189,906.67 = 861,732.30 : x
  2. Step 2: Convert to fraction form
    1,586,875.98/2,189,906.67 = 861,732.30/x
  3. Step 3: Cross multiply
    1,586,875.98x = 2,189,906.67 × 861,732.30
  4. Step 4: Simplify right side
    1,586,875.98x = 1,887,113,311,524.44
  5. Step 5: Solve for x
    x = 1,887,113,311,524.44/1,586,875.98
  6. Step 6: Final answer
    x = 1,189,200.25

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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.