Home / 541,913.67-747,688.14-312,452.91

Finding the Fourth Proportional to 541,913.67, 747,688.14 and 312,452.91

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Solution

The fourth proportional to 541,913.67, 747,688.14 and 312,452.91 is: 431,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,913.67 : 747,688.14 = 312,452.91 : x
  2. Step 2: Convert to fraction form
    541,913.67/747,688.14 = 312,452.91/x
  3. Step 3: Cross multiply
    541,913.67x = 747,688.14 × 312,452.91
  4. Step 4: Simplify right side
    541,913.67x = 233,617,335,115.49
  5. Step 5: Solve for x
    x = 233,617,335,115.49/541,913.67
  6. Step 6: Final answer
    x = 431,096.96

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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.