Home / 681,440.44-940,394.02-375,527.80

Finding the Fourth Proportional to 681,440.44, 940,394.02 and 375,527.80

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Solution

The fourth proportional to 681,440.44, 940,394.02 and 375,527.80 is: 518,231.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,440.44 : 940,394.02 = 375,527.80 : x
  2. Step 2: Convert to fraction form
    681,440.44/940,394.02 = 375,527.80/x
  3. Step 3: Cross multiply
    681,440.44x = 940,394.02 × 375,527.80
  4. Step 4: Simplify right side
    681,440.44x = 353,144,095,095.12
  5. Step 5: Solve for x
    x = 353,144,095,095.12/681,440.44
  6. Step 6: Final answer
    x = 518,231.79

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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.