Home / 715,740.50-1,073,617.23-217,104.50

Finding the Fourth Proportional to 715,740.50, 1,073,617.23 and 217,104.50

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Solution

The fourth proportional to 715,740.50, 1,073,617.23 and 217,104.50 is: 325,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,740.50 : 1,073,617.23 = 217,104.50 : x
  2. Step 2: Convert to fraction form
    715,740.50/1,073,617.23 = 217,104.50/x
  3. Step 3: Cross multiply
    715,740.50x = 1,073,617.23 × 217,104.50
  4. Step 4: Simplify right side
    715,740.50x = 233,087,131,910.54
  5. Step 5: Solve for x
    x = 233,087,131,910.54/715,740.50
  6. Step 6: Final answer
    x = 325,658.72

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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.