Home / 286,055.56-394,915.26-255,768.04

Finding the Fourth Proportional to 286,055.56, 394,915.26 and 255,768.04

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Solution

The fourth proportional to 286,055.56, 394,915.26 and 255,768.04 is: 353,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,055.56 : 394,915.26 = 255,768.04 : x
  2. Step 2: Convert to fraction form
    286,055.56/394,915.26 = 255,768.04/x
  3. Step 3: Cross multiply
    286,055.56x = 394,915.26 × 255,768.04
  4. Step 4: Simplify right side
    286,055.56x = 101,006,702,016.29
  5. Step 5: Solve for x
    x = 101,006,702,016.29/286,055.56
  6. Step 6: Final answer
    x = 353,101.69

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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.