Home / 1,443,224.97-1,991,515.19-862,332.48

Finding the Fourth Proportional to 1,443,224.97, 1,991,515.19 and 862,332.48

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Solution

The fourth proportional to 1,443,224.97, 1,991,515.19 and 862,332.48 is: 1,189,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,224.97 : 1,991,515.19 = 862,332.48 : x
  2. Step 2: Convert to fraction form
    1,443,224.97/1,991,515.19 = 862,332.48/x
  3. Step 3: Cross multiply
    1,443,224.97x = 1,991,515.19 × 862,332.48
  4. Step 4: Simplify right side
    1,443,224.97x = 1,717,348,228,438.71
  5. Step 5: Solve for x
    x = 1,717,348,228,438.71/1,443,224.97
  6. Step 6: Final answer
    x = 1,189,938.00

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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.