Home / 1,290,959.73-1,934,668.02-816,796.26

Finding the Fourth Proportional to 1,290,959.73, 1,934,668.02 and 816,796.26

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Solution

The fourth proportional to 1,290,959.73, 1,934,668.02 and 816,796.26 is: 1,224,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,959.73 : 1,934,668.02 = 816,796.26 : x
  2. Step 2: Convert to fraction form
    1,290,959.73/1,934,668.02 = 816,796.26/x
  3. Step 3: Cross multiply
    1,290,959.73x = 1,934,668.02 × 816,796.26
  4. Step 4: Simplify right side
    1,290,959.73x = 1,580,229,603,077.61
  5. Step 5: Solve for x
    x = 1,580,229,603,077.61/1,290,959.73
  6. Step 6: Final answer
    x = 1,224,073.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.