Home / 419,211.02-578,493.06-228,225.08

Finding the Fourth Proportional to 419,211.02, 578,493.06 and 228,225.08

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Solution

The fourth proportional to 419,211.02, 578,493.06 and 228,225.08 is: 314,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,211.02 : 578,493.06 = 228,225.08 : x
  2. Step 2: Convert to fraction form
    419,211.02/578,493.06 = 228,225.08/x
  3. Step 3: Cross multiply
    419,211.02x = 578,493.06 × 228,225.08
  4. Step 4: Simplify right side
    419,211.02x = 132,026,624,897.95
  5. Step 5: Solve for x
    x = 132,026,624,897.95/419,211.02
  6. Step 6: Final answer
    x = 314,940.73

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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.