Home / 726,789.98-1,090,101.90-194,352.52

Finding the Fourth Proportional to 726,789.98, 1,090,101.90 and 194,352.52

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Solution

The fourth proportional to 726,789.98, 1,090,101.90 and 194,352.52 is: 291,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,789.98 : 1,090,101.90 = 194,352.52 : x
  2. Step 2: Convert to fraction form
    726,789.98/1,090,101.90 = 194,352.52/x
  3. Step 3: Cross multiply
    726,789.98x = 1,090,101.90 × 194,352.52
  4. Step 4: Simplify right side
    726,789.98x = 211,864,051,321.79
  5. Step 5: Solve for x
    x = 211,864,051,321.79/726,789.98
  6. Step 6: Final answer
    x = 291,506.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.