Home / 621,248.42-931,971.24-200,425.88

Finding the Fourth Proportional to 621,248.42, 931,971.24 and 200,425.88

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Solution

The fourth proportional to 621,248.42, 931,971.24 and 200,425.88 is: 300,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,248.42 : 931,971.24 = 200,425.88 : x
  2. Step 2: Convert to fraction form
    621,248.42/931,971.24 = 200,425.88/x
  3. Step 3: Cross multiply
    621,248.42x = 931,971.24 × 200,425.88
  4. Step 4: Simplify right side
    621,248.42x = 186,791,151,251.84
  5. Step 5: Solve for x
    x = 186,791,151,251.84/621,248.42
  6. Step 6: Final answer
    x = 300,670.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.