Home / 1,586,896.50-2,189,933.04-861,750.48

Finding the Fourth Proportional to 1,586,896.50, 2,189,933.04 and 861,750.48

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Solution

The fourth proportional to 1,586,896.50, 2,189,933.04 and 861,750.48 is: 1,189,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,896.50 : 2,189,933.04 = 861,750.48 : x
  2. Step 2: Convert to fraction form
    1,586,896.50/2,189,933.04 = 861,750.48/x
  3. Step 3: Cross multiply
    1,586,896.50x = 2,189,933.04 × 861,750.48
  4. Step 4: Simplify right side
    1,586,896.50x = 1,887,175,848,387.86
  5. Step 5: Solve for x
    x = 1,887,175,848,387.86/1,586,896.50
  6. Step 6: Final answer
    x = 1,189,224.28

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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.