Home / 419,835.53-579,373.05-228,848.92

Finding the Fourth Proportional to 419,835.53, 579,373.05 and 228,848.92

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Solution

The fourth proportional to 419,835.53, 579,373.05 and 228,848.92 is: 315,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,835.53 : 579,373.05 = 228,848.92 : x
  2. Step 2: Convert to fraction form
    419,835.53/579,373.05 = 228,848.92/x
  3. Step 3: Cross multiply
    419,835.53x = 579,373.05 × 228,848.92
  4. Step 4: Simplify right side
    419,835.53x = 132,588,896,769.61
  5. Step 5: Solve for x
    x = 132,588,896,769.61/419,835.53
  6. Step 6: Final answer
    x = 315,811.52

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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.