Home / 1,227,608.95-1,694,033.05-676,216.59

Finding the Fourth Proportional to 1,227,608.95, 1,694,033.05 and 676,216.59

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Solution

The fourth proportional to 1,227,608.95, 1,694,033.05 and 676,216.59 is: 933,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,608.95 : 1,694,033.05 = 676,216.59 : x
  2. Step 2: Convert to fraction form
    1,227,608.95/1,694,033.05 = 676,216.59/x
  3. Step 3: Cross multiply
    1,227,608.95x = 1,694,033.05 × 676,216.59
  4. Step 4: Simplify right side
    1,227,608.95x = 1,145,533,252,418.30
  5. Step 5: Solve for x
    x = 1,145,533,252,418.30/1,227,608.95
  6. Step 6: Final answer
    x = 933,141.82

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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.