Home / 1,252,817.67-1,728,892.92-679,857.69

Finding the Fourth Proportional to 1,252,817.67, 1,728,892.92 and 679,857.69

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Solution

The fourth proportional to 1,252,817.67, 1,728,892.92 and 679,857.69 is: 938,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,817.67 : 1,728,892.92 = 679,857.69 : x
  2. Step 2: Convert to fraction form
    1,252,817.67/1,728,892.92 = 679,857.69/x
  3. Step 3: Cross multiply
    1,252,817.67x = 1,728,892.92 × 679,857.69
  4. Step 4: Simplify right side
    1,252,817.67x = 1,175,401,146,848.55
  5. Step 5: Solve for x
    x = 1,175,401,146,848.55/1,252,817.67
  6. Step 6: Final answer
    x = 938,206.07

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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.