Home / 377,936-521,513.82-232,718.50

Finding the Fourth Proportional to 377,936, 521,513.82 and 232,718.50

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Solution

The fourth proportional to 377,936, 521,513.82 and 232,718.50 is: 321,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,936 : 521,513.82 = 232,718.50 : x
  2. Step 2: Convert to fraction form
    377,936/521,513.82 = 232,718.50/x
  3. Step 3: Cross multiply
    377,936x = 521,513.82 × 232,718.50
  4. Step 4: Simplify right side
    377,936x = 121,365,913,919.67
  5. Step 5: Solve for x
    x = 121,365,913,919.67/377,936
  6. Step 6: Final answer
    x = 321,128.22

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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.