Home / 1,194,930.72-1,648,650.64-711,108

Finding the Fourth Proportional to 1,194,930.72, 1,648,650.64 and 711,108

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Solution

The fourth proportional to 1,194,930.72, 1,648,650.64 and 711,108 is: 981,118.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,930.72 : 1,648,650.64 = 711,108 : x
  2. Step 2: Convert to fraction form
    1,194,930.72/1,648,650.64 = 711,108/x
  3. Step 3: Cross multiply
    1,194,930.72x = 1,648,650.64 × 711,108
  4. Step 4: Simplify right side
    1,194,930.72x = 1,172,368,659,309.12
  5. Step 5: Solve for x
    x = 1,172,368,659,309.12/1,194,930.72
  6. Step 6: Final answer
    x = 981,118.52

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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.