Home / 1,277,102.44-1,762,415.12-696,320.76

Finding the Fourth Proportional to 1,277,102.44, 1,762,415.12 and 696,320.76

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Solution

The fourth proportional to 1,277,102.44, 1,762,415.12 and 696,320.76 is: 960,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,102.44 : 1,762,415.12 = 696,320.76 : x
  2. Step 2: Convert to fraction form
    1,277,102.44/1,762,415.12 = 696,320.76/x
  3. Step 3: Cross multiply
    1,277,102.44x = 1,762,415.12 × 696,320.76
  4. Step 4: Simplify right side
    1,277,102.44x = 1,227,206,235,793.89
  5. Step 5: Solve for x
    x = 1,227,206,235,793.89/1,277,102.44
  6. Step 6: Final answer
    x = 960,930.15

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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.