Home / 1,283,998.43-1,771,916.23-711,037.91

Finding the Fourth Proportional to 1,283,998.43, 1,771,916.23 and 711,037.91

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Solution

The fourth proportional to 1,283,998.43, 1,771,916.23 and 711,037.91 is: 981,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,998.43 : 1,771,916.23 = 711,037.91 : x
  2. Step 2: Convert to fraction form
    1,283,998.43/1,771,916.23 = 711,037.91/x
  3. Step 3: Cross multiply
    1,283,998.43x = 1,771,916.23 × 711,037.91
  4. Step 4: Simplify right side
    1,283,998.43x = 1,259,899,612,874.28
  5. Step 5: Solve for x
    x = 1,259,899,612,874.28/1,283,998.43
  6. Step 6: Final answer
    x = 981,231.43

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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.