Home / 1,314,912.78-1,972,425.45-516,367.11

Finding the Fourth Proportional to 1,314,912.78, 1,972,425.45 and 516,367.11

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Solution

The fourth proportional to 1,314,912.78, 1,972,425.45 and 516,367.11 is: 774,572.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,912.78 : 1,972,425.45 = 516,367.11 : x
  2. Step 2: Convert to fraction form
    1,314,912.78/1,972,425.45 = 516,367.11/x
  3. Step 3: Cross multiply
    1,314,912.78x = 1,972,425.45 × 516,367.11
  4. Step 4: Simplify right side
    1,314,912.78x = 1,018,495,629,306.95
  5. Step 5: Solve for x
    x = 1,018,495,629,306.95/1,314,912.78
  6. Step 6: Final answer
    x = 774,572.77

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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.