Home / 1,252,945.11-1,729,070.41-679,985.94

Finding the Fourth Proportional to 1,252,945.11, 1,729,070.41 and 679,985.94

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Solution

The fourth proportional to 1,252,945.11, 1,729,070.41 and 679,985.94 is: 938,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,945.11 : 1,729,070.41 = 679,985.94 : x
  2. Step 2: Convert to fraction form
    1,252,945.11/1,729,070.41 = 679,985.94/x
  3. Step 3: Cross multiply
    1,252,945.11x = 1,729,070.41 × 679,985.94
  4. Step 4: Simplify right side
    1,252,945.11x = 1,175,743,568,070.04
  5. Step 5: Solve for x
    x = 1,175,743,568,070.04/1,252,945.11
  6. Step 6: Final answer
    x = 938,383.94

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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.