Home / 1,603,889.72-2,213,367.76-878,764.90

Finding the Fourth Proportional to 1,603,889.72, 2,213,367.76 and 878,764.90

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Solution

The fourth proportional to 1,603,889.72, 2,213,367.76 and 878,764.90 is: 1,212,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,889.72 : 2,213,367.76 = 878,764.90 : x
  2. Step 2: Convert to fraction form
    1,603,889.72/2,213,367.76 = 878,764.90/x
  3. Step 3: Cross multiply
    1,603,889.72x = 2,213,367.76 × 878,764.90
  4. Step 4: Simplify right side
    1,603,889.72x = 1,945,029,898,279.62
  5. Step 5: Solve for x
    x = 1,945,029,898,279.62/1,603,889.72
  6. Step 6: Final answer
    x = 1,212,695.53

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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.