Home / 1,253,066.30-1,729,233.17-680,106.32

Finding the Fourth Proportional to 1,253,066.30, 1,729,233.17 and 680,106.32

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Solution

The fourth proportional to 1,253,066.30, 1,729,233.17 and 680,106.32 is: 938,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,066.30 : 1,729,233.17 = 680,106.32 : x
  2. Step 2: Convert to fraction form
    1,253,066.30/1,729,233.17 = 680,106.32/x
  3. Step 3: Cross multiply
    1,253,066.30x = 1,729,233.17 × 680,106.32
  4. Step 4: Simplify right side
    1,253,066.30x = 1,176,062,395,623.94
  5. Step 5: Solve for x
    x = 1,176,062,395,623.94/1,253,066.30
  6. Step 6: Final answer
    x = 938,547.63

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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.