Home / 329,401.15-454,406.66-208,338.55

Finding the Fourth Proportional to 329,401.15, 454,406.66 and 208,338.55

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Solution

The fourth proportional to 329,401.15, 454,406.66 and 208,338.55 is: 287,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,401.15 : 454,406.66 = 208,338.55 : x
  2. Step 2: Convert to fraction form
    329,401.15/454,406.66 = 208,338.55/x
  3. Step 3: Cross multiply
    329,401.15x = 454,406.66 × 208,338.55
  4. Step 4: Simplify right side
    329,401.15x = 94,670,423,258.30
  5. Step 5: Solve for x
    x = 94,670,423,258.30/329,401.15
  6. Step 6: Final answer
    x = 287,401.62

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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.