Home / 376,417.45-519,456.54-204,335.38

Finding the Fourth Proportional to 376,417.45, 519,456.54 and 204,335.38

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Solution

The fourth proportional to 376,417.45, 519,456.54 and 204,335.38 is: 281,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,417.45 : 519,456.54 = 204,335.38 : x
  2. Step 2: Convert to fraction form
    376,417.45/519,456.54 = 204,335.38/x
  3. Step 3: Cross multiply
    376,417.45x = 519,456.54 × 204,335.38
  4. Step 4: Simplify right side
    376,417.45x = 106,143,349,494.39
  5. Step 5: Solve for x
    x = 106,143,349,494.39/376,417.45
  6. Step 6: Final answer
    x = 281,983.07

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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.