Home / 716,576.74-1,074,691.95-211,000.12

Finding the Fourth Proportional to 716,576.74, 1,074,691.95 and 211,000.12

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Solution

The fourth proportional to 716,576.74, 1,074,691.95 and 211,000.12 is: 316,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,576.74 : 1,074,691.95 = 211,000.12 : x
  2. Step 2: Convert to fraction form
    716,576.74/1,074,691.95 = 211,000.12/x
  3. Step 3: Cross multiply
    716,576.74x = 1,074,691.95 × 211,000.12
  4. Step 4: Simplify right side
    716,576.74x = 226,760,130,413.03
  5. Step 5: Solve for x
    x = 226,760,130,413.03/716,576.74
  6. Step 6: Final answer
    x = 316,449.19

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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.