Home / 1,435,775.32-1,981,344.44-782,407.05

Finding the Fourth Proportional to 1,435,775.32, 1,981,344.44 and 782,407.05

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Solution

The fourth proportional to 1,435,775.32, 1,981,344.44 and 782,407.05 is: 1,079,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,775.32 : 1,981,344.44 = 782,407.05 : x
  2. Step 2: Convert to fraction form
    1,435,775.32/1,981,344.44 = 782,407.05/x
  3. Step 3: Cross multiply
    1,435,775.32x = 1,981,344.44 × 782,407.05
  4. Step 4: Simplify right side
    1,435,775.32x = 1,550,217,852,860.28
  5. Step 5: Solve for x
    x = 1,550,217,852,860.28/1,435,775.32
  6. Step 6: Final answer
    x = 1,079,707.83

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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.