Home / 376,793.13-519,944.36-215,611.23

Finding the Fourth Proportional to 376,793.13, 519,944.36 and 215,611.23

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Solution

The fourth proportional to 376,793.13, 519,944.36 and 215,611.23 is: 297,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,793.13 : 519,944.36 = 215,611.23 : x
  2. Step 2: Convert to fraction form
    376,793.13/519,944.36 = 215,611.23/x
  3. Step 3: Cross multiply
    376,793.13x = 519,944.36 × 215,611.23
  4. Step 4: Simplify right side
    376,793.13x = 112,105,841,913.11
  5. Step 5: Solve for x
    x = 112,105,841,913.11/376,793.13
  6. Step 6: Final answer
    x = 297,526.24

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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.