Home / 812,196.99-1,216,963.85-575,114.04

Finding the Fourth Proportional to 812,196.99, 1,216,963.85 and 575,114.04

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Solution

The fourth proportional to 812,196.99, 1,216,963.85 and 575,114.04 is: 861,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,196.99 : 1,216,963.85 = 575,114.04 : x
  2. Step 2: Convert to fraction form
    812,196.99/1,216,963.85 = 575,114.04/x
  3. Step 3: Cross multiply
    812,196.99x = 1,216,963.85 × 575,114.04
  4. Step 4: Simplify right side
    812,196.99x = 699,892,993,431.88
  5. Step 5: Solve for x
    x = 699,892,993,431.88/812,196.99
  6. Step 6: Final answer
    x = 861,728.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.