Home / 961,179.46-1,326,374.13-531,433.78

Finding the Fourth Proportional to 961,179.46, 1,326,374.13 and 531,433.78

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Solution

The fourth proportional to 961,179.46, 1,326,374.13 and 531,433.78 is: 733,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,179.46 : 1,326,374.13 = 531,433.78 : x
  2. Step 2: Convert to fraction form
    961,179.46/1,326,374.13 = 531,433.78/x
  3. Step 3: Cross multiply
    961,179.46x = 1,326,374.13 × 531,433.78
  4. Step 4: Simplify right side
    961,179.46x = 704,880,017,600.11
  5. Step 5: Solve for x
    x = 704,880,017,600.11/961,179.46
  6. Step 6: Final answer
    x = 733,349.02

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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.