Home / 419,102.08-578,360.76-228,116.77

Finding the Fourth Proportional to 419,102.08, 578,360.76 and 228,116.77

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Solution

The fourth proportional to 419,102.08, 578,360.76 and 228,116.77 is: 314,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,102.08 : 578,360.76 = 228,116.77 : x
  2. Step 2: Convert to fraction form
    419,102.08/578,360.76 = 228,116.77/x
  3. Step 3: Cross multiply
    419,102.08x = 578,360.76 × 228,116.77
  4. Step 4: Simplify right side
    419,102.08x = 131,933,788,465.95
  5. Step 5: Solve for x
    x = 131,933,788,465.95/419,102.08
  6. Step 6: Final answer
    x = 314,801.08

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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.