Home / 385,984.42-532,505.25-240,704.74

Finding the Fourth Proportional to 385,984.42, 532,505.25 and 240,704.74

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Solution

The fourth proportional to 385,984.42, 532,505.25 and 240,704.74 is: 332,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,984.42 : 532,505.25 = 240,704.74 : x
  2. Step 2: Convert to fraction form
    385,984.42/532,505.25 = 240,704.74/x
  3. Step 3: Cross multiply
    385,984.42x = 532,505.25 × 240,704.74
  4. Step 4: Simplify right side
    385,984.42x = 128,176,537,749.89
  5. Step 5: Solve for x
    x = 128,176,537,749.89/385,984.42
  6. Step 6: Final answer
    x = 332,076.97

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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.