Home / 1,252,838.33-1,728,918.01-679,878.50

Finding the Fourth Proportional to 1,252,838.33, 1,728,918.01 and 679,878.50

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Solution

The fourth proportional to 1,252,838.33, 1,728,918.01 and 679,878.50 is: 938,232.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,838.33 : 1,728,918.01 = 679,878.50 : x
  2. Step 2: Convert to fraction form
    1,252,838.33/1,728,918.01 = 679,878.50/x
  3. Step 3: Cross multiply
    1,252,838.33x = 1,728,918.01 × 679,878.50
  4. Step 4: Simplify right side
    1,252,838.33x = 1,175,454,183,261.78
  5. Step 5: Solve for x
    x = 1,175,454,183,261.78/1,252,838.33
  6. Step 6: Final answer
    x = 938,232.93

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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.