Home / 1,252,802.93-1,728,868.05-679,843.11

Finding the Fourth Proportional to 1,252,802.93, 1,728,868.05 and 679,843.11

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Solution

The fourth proportional to 1,252,802.93, 1,728,868.05 and 679,843.11 is: 938,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,802.93 : 1,728,868.05 = 679,843.11 : x
  2. Step 2: Convert to fraction form
    1,252,802.93/1,728,868.05 = 679,843.11/x
  3. Step 3: Cross multiply
    1,252,802.93x = 1,728,868.05 × 679,843.11
  4. Step 4: Simplify right side
    1,252,802.93x = 1,175,359,031,891.64
  5. Step 5: Solve for x
    x = 1,175,359,031,891.64/1,252,802.93
  6. Step 6: Final answer
    x = 938,183.50

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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.