Home / 386,748.28-532,718.22-273,376.12

Finding the Fourth Proportional to 386,748.28, 532,718.22 and 273,376.12

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Solution

The fourth proportional to 386,748.28, 532,718.22 and 273,376.12 is: 376,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,748.28 : 532,718.22 = 273,376.12 : x
  2. Step 2: Convert to fraction form
    386,748.28/532,718.22 = 273,376.12/x
  3. Step 3: Cross multiply
    386,748.28x = 532,718.22 × 273,376.12
  4. Step 4: Simplify right side
    386,748.28x = 145,632,440,036.91
  5. Step 5: Solve for x
    x = 145,632,440,036.91/386,748.28
  6. Step 6: Final answer
    x = 376,556.14

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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.