Home / 483,521.22-667,220.20-279,585.35

Finding the Fourth Proportional to 483,521.22, 667,220.20 and 279,585.35

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Solution

The fourth proportional to 483,521.22, 667,220.20 and 279,585.35 is: 385,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,521.22 : 667,220.20 = 279,585.35 : x
  2. Step 2: Convert to fraction form
    483,521.22/667,220.20 = 279,585.35/x
  3. Step 3: Cross multiply
    483,521.22x = 667,220.20 × 279,585.35
  4. Step 4: Simplify right side
    483,521.22x = 186,544,993,144.07
  5. Step 5: Solve for x
    x = 186,544,993,144.07/483,521.22
  6. Step 6: Final answer
    x = 385,805.18

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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.