Home / 447,343.53-617,315.60-243,395.27

Finding the Fourth Proportional to 447,343.53, 617,315.60 and 243,395.27

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Solution

The fourth proportional to 447,343.53, 617,315.60 and 243,395.27 is: 335,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,343.53 : 617,315.60 = 243,395.27 : x
  2. Step 2: Convert to fraction form
    447,343.53/617,315.60 = 243,395.27/x
  3. Step 3: Cross multiply
    447,343.53x = 617,315.60 × 243,395.27
  4. Step 4: Simplify right side
    447,343.53x = 150,251,695,604.96
  5. Step 5: Solve for x
    x = 150,251,695,604.96/447,343.53
  6. Step 6: Final answer
    x = 335,875.42

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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.