Home / 1,191,127.33-1,786,307.05-392,218.66

Finding the Fourth Proportional to 1,191,127.33, 1,786,307.05 and 392,218.66

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Solution

The fourth proportional to 1,191,127.33, 1,786,307.05 and 392,218.66 is: 588,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,127.33 : 1,786,307.05 = 392,218.66 : x
  2. Step 2: Convert to fraction form
    1,191,127.33/1,786,307.05 = 392,218.66/x
  3. Step 3: Cross multiply
    1,191,127.33x = 1,786,307.05 × 392,218.66
  4. Step 4: Simplify right side
    1,191,127.33x = 700,622,957,499.55
  5. Step 5: Solve for x
    x = 700,622,957,499.55/1,191,127.33
  6. Step 6: Final answer
    x = 588,201.56

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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.