Home / 885,080.58-1,221,399.99-503,082.42

Finding the Fourth Proportional to 885,080.58, 1,221,399.99 and 503,082.42

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Solution

The fourth proportional to 885,080.58, 1,221,399.99 and 503,082.42 is: 694,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,080.58 : 1,221,399.99 = 503,082.42 : x
  2. Step 2: Convert to fraction form
    885,080.58/1,221,399.99 = 503,082.42/x
  3. Step 3: Cross multiply
    885,080.58x = 1,221,399.99 × 503,082.42
  4. Step 4: Simplify right side
    885,080.58x = 614,464,862,757.18
  5. Step 5: Solve for x
    x = 614,464,862,757.18/885,080.58
  6. Step 6: Final answer
    x = 694,247.37

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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.