Home / 1,147,986.66-1,584,236.11-631,799.98

Finding the Fourth Proportional to 1,147,986.66, 1,584,236.11 and 631,799.98

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Solution

The fourth proportional to 1,147,986.66, 1,584,236.11 and 631,799.98 is: 871,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,986.66 : 1,584,236.11 = 631,799.98 : x
  2. Step 2: Convert to fraction form
    1,147,986.66/1,584,236.11 = 631,799.98/x
  3. Step 3: Cross multiply
    1,147,986.66x = 1,584,236.11 × 631,799.98
  4. Step 4: Simplify right side
    1,147,986.66x = 1,000,920,342,613.28
  5. Step 5: Solve for x
    x = 1,000,920,342,613.28/1,147,986.66
  6. Step 6: Final answer
    x = 871,891.96

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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.