Home / 454,738.58-627,583.60-339,817.66

Finding the Fourth Proportional to 454,738.58, 627,583.60 and 339,817.66

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Solution

The fourth proportional to 454,738.58, 627,583.60 and 339,817.66 is: 468,981.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,738.58 : 627,583.60 = 339,817.66 : x
  2. Step 2: Convert to fraction form
    454,738.58/627,583.60 = 339,817.66/x
  3. Step 3: Cross multiply
    454,738.58x = 627,583.60 × 339,817.66
  4. Step 4: Simplify right side
    454,738.58x = 213,263,990,406.38
  5. Step 5: Solve for x
    x = 213,263,990,406.38/454,738.58
  6. Step 6: Final answer
    x = 468,981.52

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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.