Home / 419,192.52-578,467.53-228,206.58

Finding the Fourth Proportional to 419,192.52, 578,467.53 and 228,206.58

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Solution

The fourth proportional to 419,192.52, 578,467.53 and 228,206.58 is: 314,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,192.52 : 578,467.53 = 228,206.58 : x
  2. Step 2: Convert to fraction form
    419,192.52/578,467.53 = 228,206.58/x
  3. Step 3: Cross multiply
    419,192.52x = 578,467.53 × 228,206.58
  4. Step 4: Simplify right side
    419,192.52x = 132,010,096,662.35
  5. Step 5: Solve for x
    x = 132,010,096,662.35/419,192.52
  6. Step 6: Final answer
    x = 314,915.20

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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.