Home / 1,253,028.78-1,729,181.40-680,068.96

Finding the Fourth Proportional to 1,253,028.78, 1,729,181.40 and 680,068.96

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Solution

The fourth proportional to 1,253,028.78, 1,729,181.40 and 680,068.96 is: 938,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,028.78 : 1,729,181.40 = 680,068.96 : x
  2. Step 2: Convert to fraction form
    1,253,028.78/1,729,181.40 = 680,068.96/x
  3. Step 3: Cross multiply
    1,253,028.78x = 1,729,181.40 × 680,068.96
  4. Step 4: Simplify right side
    1,253,028.78x = 1,175,962,596,349.34
  5. Step 5: Solve for x
    x = 1,175,962,596,349.34/1,253,028.78
  6. Step 6: Final answer
    x = 938,496.08

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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.