Home / 381,827.64-526,914.54-212,055.96

Finding the Fourth Proportional to 381,827.64, 526,914.54 and 212,055.96

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Solution

The fourth proportional to 381,827.64, 526,914.54 and 212,055.96 is: 292,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,827.64 : 526,914.54 = 212,055.96 : x
  2. Step 2: Convert to fraction form
    381,827.64/526,914.54 = 212,055.96/x
  3. Step 3: Cross multiply
    381,827.64x = 526,914.54 × 212,055.96
  4. Step 4: Simplify right side
    381,827.64x = 111,735,368,617.66
  5. Step 5: Solve for x
    x = 111,735,368,617.66/381,827.64
  6. Step 6: Final answer
    x = 292,633.00

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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.