Home / 376,484.04-564,795.36-123,778.80

Finding the Fourth Proportional to 376,484.04, 564,795.36 and 123,778.80

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Solution

The fourth proportional to 376,484.04, 564,795.36 and 123,778.80 is: 185,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,484.04 : 564,795.36 = 123,778.80 : x
  2. Step 2: Convert to fraction form
    376,484.04/564,795.36 = 123,778.80/x
  3. Step 3: Cross multiply
    376,484.04x = 564,795.36 × 123,778.80
  4. Step 4: Simplify right side
    376,484.04x = 69,909,691,906.37
  5. Step 5: Solve for x
    x = 69,909,691,906.37/376,484.04
  6. Step 6: Final answer
    x = 185,690.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.