Home / 381,837.60-526,905.03-220,703.08

Finding the Fourth Proportional to 381,837.60, 526,905.03 and 220,703.08

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Solution

The fourth proportional to 381,837.60, 526,905.03 and 220,703.08 is: 304,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,837.60 : 526,905.03 = 220,703.08 : x
  2. Step 2: Convert to fraction form
    381,837.60/526,905.03 = 220,703.08/x
  3. Step 3: Cross multiply
    381,837.60x = 526,905.03 × 220,703.08
  4. Step 4: Simplify right side
    381,837.60x = 116,289,562,988.49
  5. Step 5: Solve for x
    x = 116,289,562,988.49/381,837.60
  6. Step 6: Final answer
    x = 304,552.41

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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.