Home / 1,253,479.36-1,729,801.52-680,519.52

Finding the Fourth Proportional to 1,253,479.36, 1,729,801.52 and 680,519.52

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Solution

The fourth proportional to 1,253,479.36, 1,729,801.52 and 680,519.52 is: 939,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,479.36 : 1,729,801.52 = 680,519.52 : x
  2. Step 2: Convert to fraction form
    1,253,479.36/1,729,801.52 = 680,519.52/x
  3. Step 3: Cross multiply
    1,253,479.36x = 1,729,801.52 × 680,519.52
  4. Step 4: Simplify right side
    1,253,479.36x = 1,177,163,700,085.67
  5. Step 5: Solve for x
    x = 1,177,163,700,085.67/1,253,479.36
  6. Step 6: Final answer
    x = 939,116.94

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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.