Home / 1,196,913.40-1,793,912.10-521,567.80

Finding the Fourth Proportional to 1,196,913.40, 1,793,912.10 and 521,567.80

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Solution

The fourth proportional to 1,196,913.40, 1,793,912.10 and 521,567.80 is: 781,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,913.40 : 1,793,912.10 = 521,567.80 : x
  2. Step 2: Convert to fraction form
    1,196,913.40/1,793,912.10 = 521,567.80/x
  3. Step 3: Cross multiply
    1,196,913.40x = 1,793,912.10 × 521,567.80
  4. Step 4: Simplify right side
    1,196,913.40x = 935,646,787,390.38
  5. Step 5: Solve for x
    x = 935,646,787,390.38/1,196,913.40
  6. Step 6: Final answer
    x = 781,716.36

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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.