Home / 1,101,779.62-1,520,061.93-693,906.82

Finding the Fourth Proportional to 1,101,779.62, 1,520,061.93 and 693,906.82

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Solution

The fourth proportional to 1,101,779.62, 1,520,061.93 and 693,906.82 is: 957,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,779.62 : 1,520,061.93 = 693,906.82 : x
  2. Step 2: Convert to fraction form
    1,101,779.62/1,520,061.93 = 693,906.82/x
  3. Step 3: Cross multiply
    1,101,779.62x = 1,520,061.93 × 693,906.82
  4. Step 4: Simplify right side
    1,101,779.62x = 1,054,781,336,249.21
  5. Step 5: Solve for x
    x = 1,054,781,336,249.21/1,101,779.62
  6. Step 6: Final answer
    x = 957,343.30

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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.