Home / 381,809.03-526,865.74-220,674.52

Finding the Fourth Proportional to 381,809.03, 526,865.74 and 220,674.52

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Solution

The fourth proportional to 381,809.03, 526,865.74 and 220,674.52 is: 304,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,809.03 : 526,865.74 = 220,674.52 : x
  2. Step 2: Convert to fraction form
    381,809.03/526,865.74 = 220,674.52/x
  3. Step 3: Cross multiply
    381,809.03x = 526,865.74 × 220,674.52
  4. Step 4: Simplify right side
    381,809.03x = 116,265,842,410.09
  5. Step 5: Solve for x
    x = 116,265,842,410.09/381,809.03
  6. Step 6: Final answer
    x = 304,513.07

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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.