Home / 808,639.16-1,212,830.16-268,850.57

Finding the Fourth Proportional to 808,639.16, 1,212,830.16 and 268,850.57

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Solution

The fourth proportional to 808,639.16, 1,212,830.16 and 268,850.57 is: 403,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,639.16 : 1,212,830.16 = 268,850.57 : x
  2. Step 2: Convert to fraction form
    808,639.16/1,212,830.16 = 268,850.57/x
  3. Step 3: Cross multiply
    808,639.16x = 1,212,830.16 × 268,850.57
  4. Step 4: Simplify right side
    808,639.16x = 326,070,073,765.04
  5. Step 5: Solve for x
    x = 326,070,073,765.04/808,639.16
  6. Step 6: Final answer
    x = 403,233.10

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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.