Home / 1,253,070.70-1,729,239.06-680,111.02

Finding the Fourth Proportional to 1,253,070.70, 1,729,239.06 and 680,111.02

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Solution

The fourth proportional to 1,253,070.70, 1,729,239.06 and 680,111.02 is: 938,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,070.70 : 1,729,239.06 = 680,111.02 : x
  2. Step 2: Convert to fraction form
    1,253,070.70/1,729,239.06 = 680,111.02/x
  3. Step 3: Cross multiply
    1,253,070.70x = 1,729,239.06 × 680,111.02
  4. Step 4: Simplify right side
    1,253,070.70x = 1,176,074,540,920.44
  5. Step 5: Solve for x
    x = 1,176,074,540,920.44/1,253,070.70
  6. Step 6: Final answer
    x = 938,554.02

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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.