Home / 1,280,798.29-1,768,326.29-822,111.49

Finding the Fourth Proportional to 1,280,798.29, 1,768,326.29 and 822,111.49

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Solution

The fourth proportional to 1,280,798.29, 1,768,326.29 and 822,111.49 is: 1,135,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,798.29 : 1,768,326.29 = 822,111.49 : x
  2. Step 2: Convert to fraction form
    1,280,798.29/1,768,326.29 = 822,111.49/x
  3. Step 3: Cross multiply
    1,280,798.29x = 1,768,326.29 × 822,111.49
  4. Step 4: Simplify right side
    1,280,798.29x = 1,453,761,361,078.07
  5. Step 5: Solve for x
    x = 1,453,761,361,078.07/1,280,798.29
  6. Step 6: Final answer
    x = 1,135,043.18

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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.