Home / 1,252,768.29-1,728,824.90-679,808.58

Finding the Fourth Proportional to 1,252,768.29, 1,728,824.90 and 679,808.58

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Solution

The fourth proportional to 1,252,768.29, 1,728,824.90 and 679,808.58 is: 938,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,768.29 : 1,728,824.90 = 679,808.58 : x
  2. Step 2: Convert to fraction form
    1,252,768.29/1,728,824.90 = 679,808.58/x
  3. Step 3: Cross multiply
    1,252,768.29x = 1,728,824.90 × 679,808.58
  4. Step 4: Simplify right side
    1,252,768.29x = 1,175,269,996,938.60
  5. Step 5: Solve for x
    x = 1,175,269,996,938.60/1,252,768.29
  6. Step 6: Final answer
    x = 938,138.37

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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.