Home / 1,172,813.80-1,757,147.10-1,040,103.40

Finding the Fourth Proportional to 1,172,813.80, 1,757,147.10 and 1,040,103.40

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Solution

The fourth proportional to 1,172,813.80, 1,757,147.10 and 1,040,103.40 is: 1,558,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,813.80 : 1,757,147.10 = 1,040,103.40 : x
  2. Step 2: Convert to fraction form
    1,172,813.80/1,757,147.10 = 1,040,103.40/x
  3. Step 3: Cross multiply
    1,172,813.80x = 1,757,147.10 × 1,040,103.40
  4. Step 4: Simplify right side
    1,172,813.80x = 1,827,614,673,010.14
  5. Step 5: Solve for x
    x = 1,827,614,673,010.14/1,172,813.80
  6. Step 6: Final answer
    x = 1,558,316.14

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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.