Home / 1,252,874.34-1,728,967.68-679,914.45

Finding the Fourth Proportional to 1,252,874.34, 1,728,967.68 and 679,914.45

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Solution

The fourth proportional to 1,252,874.34, 1,728,967.68 and 679,914.45 is: 938,282.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,874.34 : 1,728,967.68 = 679,914.45 : x
  2. Step 2: Convert to fraction form
    1,252,874.34/1,728,967.68 = 679,914.45/x
  3. Step 3: Cross multiply
    1,252,874.34x = 1,728,967.68 × 679,914.45
  4. Step 4: Simplify right side
    1,252,874.34x = 1,175,550,109,214.98
  5. Step 5: Solve for x
    x = 1,175,550,109,214.98/1,252,874.34
  6. Step 6: Final answer
    x = 938,282.53

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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.