Home / 1,625,825.92-2,243,895.60-981,338.08

Finding the Fourth Proportional to 1,625,825.92, 2,243,895.60 and 981,338.08

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Solution

The fourth proportional to 1,625,825.92, 2,243,895.60 and 981,338.08 is: 1,354,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,825.92 : 2,243,895.60 = 981,338.08 : x
  2. Step 2: Convert to fraction form
    1,625,825.92/2,243,895.60 = 981,338.08/x
  3. Step 3: Cross multiply
    1,625,825.92x = 2,243,895.60 × 981,338.08
  4. Step 4: Simplify right side
    1,625,825.92x = 2,202,020,199,824.45
  5. Step 5: Solve for x
    x = 2,202,020,199,824.45/1,625,825.92
  6. Step 6: Final answer
    x = 1,354,400.97

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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.