Home / 1,435,955.76-1,981,610.44-782,581

Finding the Fourth Proportional to 1,435,955.76, 1,981,610.44 and 782,581

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Solution

The fourth proportional to 1,435,955.76, 1,981,610.44 and 782,581 is: 1,079,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,955.76 : 1,981,610.44 = 782,581 : x
  2. Step 2: Convert to fraction form
    1,435,955.76/1,981,610.44 = 782,581/x
  3. Step 3: Cross multiply
    1,435,955.76x = 1,981,610.44 × 782,581
  4. Step 4: Simplify right side
    1,435,955.76x = 1,550,770,679,745.64
  5. Step 5: Solve for x
    x = 1,550,770,679,745.64/1,435,955.76
  6. Step 6: Final answer
    x = 1,079,957.14

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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.