Home / 1,456,400.17-2,009,790.39-811,806.52

Finding the Fourth Proportional to 1,456,400.17, 2,009,790.39 and 811,806.52

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Solution

The fourth proportional to 1,456,400.17, 2,009,790.39 and 811,806.52 is: 1,120,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,400.17 : 2,009,790.39 = 811,806.52 : x
  2. Step 2: Convert to fraction form
    1,456,400.17/2,009,790.39 = 811,806.52/x
  3. Step 3: Cross multiply
    1,456,400.17x = 2,009,790.39 × 811,806.52
  4. Step 4: Simplify right side
    1,456,400.17x = 1,631,560,944,223.50
  5. Step 5: Solve for x
    x = 1,631,560,944,223.50/1,456,400.17
  6. Step 6: Final answer
    x = 1,120,269.68

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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.