Home / 887,869.14-1,225,321.96-500,719.20

Finding the Fourth Proportional to 887,869.14, 1,225,321.96 and 500,719.20

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Solution

The fourth proportional to 887,869.14, 1,225,321.96 and 500,719.20 is: 691,027.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,869.14 : 1,225,321.96 = 500,719.20 : x
  2. Step 2: Convert to fraction form
    887,869.14/1,225,321.96 = 500,719.20/x
  3. Step 3: Cross multiply
    887,869.14x = 1,225,321.96 × 500,719.20
  4. Step 4: Simplify right side
    887,869.14x = 613,542,231,553.63
  5. Step 5: Solve for x
    x = 613,542,231,553.63/887,869.14
  6. Step 6: Final answer
    x = 691,027.77

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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.