Home / 1,172,434.55-1,757,447.76-665,914.07

Finding the Fourth Proportional to 1,172,434.55, 1,757,447.76 and 665,914.07

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Solution

The fourth proportional to 1,172,434.55, 1,757,447.76 and 665,914.07 is: 998,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,434.55 : 1,757,447.76 = 665,914.07 : x
  2. Step 2: Convert to fraction form
    1,172,434.55/1,757,447.76 = 665,914.07/x
  3. Step 3: Cross multiply
    1,172,434.55x = 1,757,447.76 × 665,914.07
  4. Step 4: Simplify right side
    1,172,434.55x = 1,170,309,197,564.78
  5. Step 5: Solve for x
    x = 1,170,309,197,564.78/1,172,434.55
  6. Step 6: Final answer
    x = 998,187.24

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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.