Home / 1,185,695.91-1,777,454.01-427,351.77

Finding the Fourth Proportional to 1,185,695.91, 1,777,454.01 and 427,351.77

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Solution

The fourth proportional to 1,185,695.91, 1,777,454.01 and 427,351.77 is: 640,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,695.91 : 1,777,454.01 = 427,351.77 : x
  2. Step 2: Convert to fraction form
    1,185,695.91/1,777,454.01 = 427,351.77/x
  3. Step 3: Cross multiply
    1,185,695.91x = 1,777,454.01 × 427,351.77
  4. Step 4: Simplify right side
    1,185,695.91x = 759,598,117,267.10
  5. Step 5: Solve for x
    x = 759,598,117,267.10/1,185,695.91
  6. Step 6: Final answer
    x = 640,634.85

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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.