Home / 376,344.05-519,118.54-223,273.87

Finding the Fourth Proportional to 376,344.05, 519,118.54 and 223,273.87

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Solution

The fourth proportional to 376,344.05, 519,118.54 and 223,273.87 is: 307,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,344.05 : 519,118.54 = 223,273.87 : x
  2. Step 2: Convert to fraction form
    376,344.05/519,118.54 = 223,273.87/x
  3. Step 3: Cross multiply
    376,344.05x = 519,118.54 × 223,273.87
  4. Step 4: Simplify right side
    376,344.05x = 115,905,602,818.96
  5. Step 5: Solve for x
    x = 115,905,602,818.96/376,344.05
  6. Step 6: Final answer
    x = 307,977.78

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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.