Home / 810,596.16-1,215,965.52-211,552.56

Finding the Fourth Proportional to 810,596.16, 1,215,965.52 and 211,552.56

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Solution

The fourth proportional to 810,596.16, 1,215,965.52 and 211,552.56 is: 317,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,596.16 : 1,215,965.52 = 211,552.56 : x
  2. Step 2: Convert to fraction form
    810,596.16/1,215,965.52 = 211,552.56/x
  3. Step 3: Cross multiply
    810,596.16x = 1,215,965.52 × 211,552.56
  4. Step 4: Simplify right side
    810,596.16x = 257,240,618,627.73
  5. Step 5: Solve for x
    x = 257,240,618,627.73/810,596.16
  6. Step 6: Final answer
    x = 317,347.44

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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.