Home / 1,267,912.80-1,749,715.98-694,951.20

Finding the Fourth Proportional to 1,267,912.80, 1,749,715.98 and 694,951.20

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Solution

The fourth proportional to 1,267,912.80, 1,749,715.98 and 694,951.20 is: 959,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,912.80 : 1,749,715.98 = 694,951.20 : x
  2. Step 2: Convert to fraction form
    1,267,912.80/1,749,715.98 = 694,951.20/x
  3. Step 3: Cross multiply
    1,267,912.80x = 1,749,715.98 × 694,951.20
  4. Step 4: Simplify right side
    1,267,912.80x = 1,215,967,219,960.18
  5. Step 5: Solve for x
    x = 1,215,967,219,960.18/1,267,912.80
  6. Step 6: Final answer
    x = 959,030.64

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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.