Home / 1,253,074.45-1,729,196.48-680,102.32

Finding the Fourth Proportional to 1,253,074.45, 1,729,196.48 and 680,102.32

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Solution

The fourth proportional to 1,253,074.45, 1,729,196.48 and 680,102.32 is: 938,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,074.45 : 1,729,196.48 = 680,102.32 : x
  2. Step 2: Convert to fraction form
    1,253,074.45/1,729,196.48 = 680,102.32/x
  3. Step 3: Cross multiply
    1,253,074.45x = 1,729,196.48 × 680,102.32
  4. Step 4: Simplify right side
    1,253,074.45x = 1,176,030,535,161.10
  5. Step 5: Solve for x
    x = 1,176,030,535,161.10/1,253,074.45
  6. Step 6: Final answer
    x = 938,516.09

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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.