Home / 376,324.28-519,308.55-223,369.15

Finding the Fourth Proportional to 376,324.28, 519,308.55 and 223,369.15

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Solution

The fourth proportional to 376,324.28, 519,308.55 and 223,369.15 is: 308,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,324.28 : 519,308.55 = 223,369.15 : x
  2. Step 2: Convert to fraction form
    376,324.28/519,308.55 = 223,369.15/x
  3. Step 3: Cross multiply
    376,324.28x = 519,308.55 × 223,369.15
  4. Step 4: Simplify right side
    376,324.28x = 115,997,509,401.23
  5. Step 5: Solve for x
    x = 115,997,509,401.23/376,324.28
  6. Step 6: Final answer
    x = 308,238.18

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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.