Home / 961,520.36-1,326,891.38-531,784.60

Finding the Fourth Proportional to 961,520.36, 1,326,891.38 and 531,784.60

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Solution

The fourth proportional to 961,520.36, 1,326,891.38 and 531,784.60 is: 733,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,520.36 : 1,326,891.38 = 531,784.60 : x
  2. Step 2: Convert to fraction form
    961,520.36/1,326,891.38 = 531,784.60/x
  3. Step 3: Cross multiply
    961,520.36x = 1,326,891.38 × 531,784.60
  4. Step 4: Simplify right side
    961,520.36x = 705,620,401,756.75
  5. Step 5: Solve for x
    x = 705,620,401,756.75/961,520.36
  6. Step 6: Final answer
    x = 733,859.03

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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.