Home / 1,435,895.48-1,981,543.56-823,999.52

Finding the Fourth Proportional to 1,435,895.48, 1,981,543.56 and 823,999.52

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Solution

The fourth proportional to 1,435,895.48, 1,981,543.56 and 823,999.52 is: 1,137,123.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,895.48 : 1,981,543.56 = 823,999.52 : x
  2. Step 2: Convert to fraction form
    1,435,895.48/1,981,543.56 = 823,999.52/x
  3. Step 3: Cross multiply
    1,435,895.48x = 1,981,543.56 × 823,999.52
  4. Step 4: Simplify right side
    1,435,895.48x = 1,632,790,942,299.09
  5. Step 5: Solve for x
    x = 1,632,790,942,299.09/1,435,895.48
  6. Step 6: Final answer
    x = 1,137,123.81

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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.