Home / 381,276.38-526,224.48-211,565.18

Finding the Fourth Proportional to 381,276.38, 526,224.48 and 211,565.18

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Solution

The fourth proportional to 381,276.38, 526,224.48 and 211,565.18 is: 291,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,276.38 : 526,224.48 = 211,565.18 : x
  2. Step 2: Convert to fraction form
    381,276.38/526,224.48 = 211,565.18/x
  3. Step 3: Cross multiply
    381,276.38x = 526,224.48 × 211,565.18
  4. Step 4: Simplify right side
    381,276.38x = 111,330,776,831.61
  5. Step 5: Solve for x
    x = 111,330,776,831.61/381,276.38
  6. Step 6: Final answer
    x = 291,994.95

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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.