Home / 1,172,857.80-1,757,213.10-1,040,147.40

Finding the Fourth Proportional to 1,172,857.80, 1,757,213.10 and 1,040,147.40

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Solution

The fourth proportional to 1,172,857.80, 1,757,213.10 and 1,040,147.40 is: 1,558,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,857.80 : 1,757,213.10 = 1,040,147.40 : x
  2. Step 2: Convert to fraction form
    1,172,857.80/1,757,213.10 = 1,040,147.40/x
  3. Step 3: Cross multiply
    1,172,857.80x = 1,757,213.10 × 1,040,147.40
  4. Step 4: Simplify right side
    1,172,857.80x = 1,827,760,637,210.94
  5. Step 5: Solve for x
    x = 1,827,760,637,210.94/1,172,857.80
  6. Step 6: Final answer
    x = 1,558,382.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.