Home / 419,213.24-578,510.80-228,226.24

Finding the Fourth Proportional to 419,213.24, 578,510.80 and 228,226.24

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Solution

The fourth proportional to 419,213.24, 578,510.80 and 228,226.24 is: 314,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,213.24 : 578,510.80 = 228,226.24 : x
  2. Step 2: Convert to fraction form
    419,213.24/578,510.80 = 228,226.24/x
  3. Step 3: Cross multiply
    419,213.24x = 578,510.80 × 228,226.24
  4. Step 4: Simplify right side
    419,213.24x = 132,031,344,683.39
  5. Step 5: Solve for x
    x = 132,031,344,683.39/419,213.24
  6. Step 6: Final answer
    x = 314,950.32

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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.