Home / 1,252,833.38-1,728,911.17-679,873.55

Finding the Fourth Proportional to 1,252,833.38, 1,728,911.17 and 679,873.55

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Solution

The fourth proportional to 1,252,833.38, 1,728,911.17 and 679,873.55 is: 938,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,833.38 : 1,728,911.17 = 679,873.55 : x
  2. Step 2: Convert to fraction form
    1,252,833.38/1,728,911.17 = 679,873.55/x
  3. Step 3: Cross multiply
    1,252,833.38x = 1,728,911.17 × 679,873.55
  4. Step 4: Simplify right side
    1,252,833.38x = 1,175,440,975,756.93
  5. Step 5: Solve for x
    x = 1,175,440,975,756.93/1,252,833.38
  6. Step 6: Final answer
    x = 938,226.10

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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.