Home / 1,436,006.18-1,981,661.36-782,637.66

Finding the Fourth Proportional to 1,436,006.18, 1,981,661.36 and 782,637.66

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Solution

The fourth proportional to 1,436,006.18, 1,981,661.36 and 782,637.66 is: 1,080,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,006.18 : 1,981,661.36 = 782,637.66 : x
  2. Step 2: Convert to fraction form
    1,436,006.18/1,981,661.36 = 782,637.66/x
  3. Step 3: Cross multiply
    1,436,006.18x = 1,981,661.36 × 782,637.66
  4. Step 4: Simplify right side
    1,436,006.18x = 1,550,922,805,789.63
  5. Step 5: Solve for x
    x = 1,550,922,805,789.63/1,436,006.18
  6. Step 6: Final answer
    x = 1,080,025.16

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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.