Home / 960,963.75-1,326,014.85-531,185.45

Finding the Fourth Proportional to 960,963.75, 1,326,014.85 and 531,185.45

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Solution

The fourth proportional to 960,963.75, 1,326,014.85 and 531,185.45 is: 732,972.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,963.75 : 1,326,014.85 = 531,185.45 : x
  2. Step 2: Convert to fraction form
    960,963.75/1,326,014.85 = 531,185.45/x
  3. Step 3: Cross multiply
    960,963.75x = 1,326,014.85 × 531,185.45
  4. Step 4: Simplify right side
    960,963.75x = 704,359,790,165.80
  5. Step 5: Solve for x
    x = 704,359,790,165.80/960,963.75
  6. Step 6: Final answer
    x = 732,972.28

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1.5x scale

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.