Home / 427,199.06-589,436.52-255,083.42

Finding the Fourth Proportional to 427,199.06, 589,436.52 and 255,083.42

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Solution

The fourth proportional to 427,199.06, 589,436.52 and 255,083.42 is: 351,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,199.06 : 589,436.52 = 255,083.42 : x
  2. Step 2: Convert to fraction form
    427,199.06/589,436.52 = 255,083.42/x
  3. Step 3: Cross multiply
    427,199.06x = 589,436.52 × 255,083.42
  4. Step 4: Simplify right side
    427,199.06x = 150,355,483,394.50
  5. Step 5: Solve for x
    x = 150,355,483,394.50/427,199.06
  6. Step 6: Final answer
    x = 351,956.49

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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.