Home / 961,949.28-1,326,327.30-778,380.60

Finding the Fourth Proportional to 961,949.28, 1,326,327.30 and 778,380.60

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Solution

The fourth proportional to 961,949.28, 1,326,327.30 and 778,380.60 is: 1,073,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,949.28 : 1,326,327.30 = 778,380.60 : x
  2. Step 2: Convert to fraction form
    961,949.28/1,326,327.30 = 778,380.60/x
  3. Step 3: Cross multiply
    961,949.28x = 1,326,327.30 × 778,380.60
  4. Step 4: Simplify right side
    961,949.28x = 1,032,387,439,570.38
  5. Step 5: Solve for x
    x = 1,032,387,439,570.38/961,949.28
  6. Step 6: Final answer
    x = 1,073,224.40

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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.