Home / 961,179.52-1,326,374.74-531,431.30

Finding the Fourth Proportional to 961,179.52, 1,326,374.74 and 531,431.30

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Solution

The fourth proportional to 961,179.52, 1,326,374.74 and 531,431.30 is: 733,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,179.52 : 1,326,374.74 = 531,431.30 : x
  2. Step 2: Convert to fraction form
    961,179.52/1,326,374.74 = 531,431.30/x
  3. Step 3: Cross multiply
    961,179.52x = 1,326,374.74 × 531,431.30
  4. Step 4: Simplify right side
    961,179.52x = 704,877,052,365.36
  5. Step 5: Solve for x
    x = 704,877,052,365.36/961,179.52
  6. Step 6: Final answer
    x = 733,345.89

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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.