Home / 1,017,438.87-1,404,062.20-558,542.03

Finding the Fourth Proportional to 1,017,438.87, 1,404,062.20 and 558,542.03

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Solution

The fourth proportional to 1,017,438.87, 1,404,062.20 and 558,542.03 is: 770,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,438.87 : 1,404,062.20 = 558,542.03 : x
  2. Step 2: Convert to fraction form
    1,017,438.87/1,404,062.20 = 558,542.03/x
  3. Step 3: Cross multiply
    1,017,438.87x = 1,404,062.20 × 558,542.03
  4. Step 4: Simplify right side
    1,017,438.87x = 784,227,753,009.98
  5. Step 5: Solve for x
    x = 784,227,753,009.98/1,017,438.87
  6. Step 6: Final answer
    x = 770,786.11

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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.