Home / 419,215.24-578,513.56-228,228.24

Finding the Fourth Proportional to 419,215.24, 578,513.56 and 228,228.24

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Solution

The fourth proportional to 419,215.24, 578,513.56 and 228,228.24 is: 314,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,215.24 : 578,513.56 = 228,228.24 : x
  2. Step 2: Convert to fraction form
    419,215.24/578,513.56 = 228,228.24/x
  3. Step 3: Cross multiply
    419,215.24x = 578,513.56 × 228,228.24
  4. Step 4: Simplify right side
    419,215.24x = 132,033,131,614.93
  5. Step 5: Solve for x
    x = 132,033,131,614.93/419,215.24
  6. Step 6: Final answer
    x = 314,953.08

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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.