Home / 419,226.85-578,533.13-228,240.25

Finding the Fourth Proportional to 419,226.85, 578,533.13 and 228,240.25

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Solution

The fourth proportional to 419,226.85, 578,533.13 and 228,240.25 is: 314,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,226.85 : 578,533.13 = 228,240.25 : x
  2. Step 2: Convert to fraction form
    419,226.85/578,533.13 = 228,240.25/x
  3. Step 3: Cross multiply
    419,226.85x = 578,533.13 × 228,240.25
  4. Step 4: Simplify right side
    419,226.85x = 132,044,546,224.48
  5. Step 5: Solve for x
    x = 132,044,546,224.48/419,226.85
  6. Step 6: Final answer
    x = 314,971.59

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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.