Home / 381,345.35-526,126.23-217,884.57

Finding the Fourth Proportional to 381,345.35, 526,126.23 and 217,884.57

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Solution

The fourth proportional to 381,345.35, 526,126.23 and 217,884.57 is: 300,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,345.35 : 526,126.23 = 217,884.57 : x
  2. Step 2: Convert to fraction form
    381,345.35/526,126.23 = 217,884.57/x
  3. Step 3: Cross multiply
    381,345.35x = 526,126.23 × 217,884.57
  4. Step 4: Simplify right side
    381,345.35x = 114,634,784,758.64
  5. Step 5: Solve for x
    x = 114,634,784,758.64/381,345.35
  6. Step 6: Final answer
    x = 300,606.23

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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.