Home / 1,253,018.24-1,729,181.76-680,065.28

Finding the Fourth Proportional to 1,253,018.24, 1,729,181.76 and 680,065.28

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Solution

The fourth proportional to 1,253,018.24, 1,729,181.76 and 680,065.28 is: 938,499.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,018.24 : 1,729,181.76 = 680,065.28 : x
  2. Step 2: Convert to fraction form
    1,253,018.24/1,729,181.76 = 680,065.28/x
  3. Step 3: Cross multiply
    1,253,018.24x = 1,729,181.76 × 680,065.28
  4. Step 4: Simplify right side
    1,253,018.24x = 1,175,956,477,785.29
  5. Step 5: Solve for x
    x = 1,175,956,477,785.29/1,253,018.24
  6. Step 6: Final answer
    x = 938,499.09

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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.