Home / 722,491.79-1,083,695.96-217,041.66

Finding the Fourth Proportional to 722,491.79, 1,083,695.96 and 217,041.66

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Solution

The fourth proportional to 722,491.79, 1,083,695.96 and 217,041.66 is: 325,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,491.79 : 1,083,695.96 = 217,041.66 : x
  2. Step 2: Convert to fraction form
    722,491.79/1,083,695.96 = 217,041.66/x
  3. Step 3: Cross multiply
    722,491.79x = 1,083,695.96 × 217,041.66
  4. Step 4: Simplify right side
    722,491.79x = 235,207,170,636.30
  5. Step 5: Solve for x
    x = 235,207,170,636.30/722,491.79
  6. Step 6: Final answer
    x = 325,549.96

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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.