Home / 961,177.27-1,326,371.64-531,429.05

Finding the Fourth Proportional to 961,177.27, 1,326,371.64 and 531,429.05

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Solution

The fourth proportional to 961,177.27, 1,326,371.64 and 531,429.05 is: 733,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,177.27 : 1,326,371.64 = 531,429.05 : x
  2. Step 2: Convert to fraction form
    961,177.27/1,326,371.64 = 531,429.05/x
  3. Step 3: Cross multiply
    961,177.27x = 1,326,371.64 × 531,429.05
  4. Step 4: Simplify right side
    961,177.27x = 704,872,420,592.14
  5. Step 5: Solve for x
    x = 704,872,420,592.14/961,177.27
  6. Step 6: Final answer
    x = 733,342.79

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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.