Home / 818,154.44-1,227,425.52-257,189.48

Finding the Fourth Proportional to 818,154.44, 1,227,425.52 and 257,189.48

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Solution

The fourth proportional to 818,154.44, 1,227,425.52 and 257,189.48 is: 385,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,154.44 : 1,227,425.52 = 257,189.48 : x
  2. Step 2: Convert to fraction form
    818,154.44/1,227,425.52 = 257,189.48/x
  3. Step 3: Cross multiply
    818,154.44x = 1,227,425.52 × 257,189.48
  4. Step 4: Simplify right side
    818,154.44x = 315,680,931,227.53
  5. Step 5: Solve for x
    x = 315,680,931,227.53/818,154.44
  6. Step 6: Final answer
    x = 385,845.16

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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.