Home / 1,233,780.30-1,702,621.35-717,658.02

Finding the Fourth Proportional to 1,233,780.30, 1,702,621.35 and 717,658.02

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Solution

The fourth proportional to 1,233,780.30, 1,702,621.35 and 717,658.02 is: 990,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,780.30 : 1,702,621.35 = 717,658.02 : x
  2. Step 2: Convert to fraction form
    1,233,780.30/1,702,621.35 = 717,658.02/x
  3. Step 3: Cross multiply
    1,233,780.30x = 1,702,621.35 × 717,658.02
  4. Step 4: Simplify right side
    1,233,780.30x = 1,221,899,866,850.73
  5. Step 5: Solve for x
    x = 1,221,899,866,850.73/1,233,780.30
  6. Step 6: Final answer
    x = 990,370.71

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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.