Home / 376,728.76-519,885.88-206,973.82

Finding the Fourth Proportional to 376,728.76, 519,885.88 and 206,973.82

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Solution

The fourth proportional to 376,728.76, 519,885.88 and 206,973.82 is: 285,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,728.76 : 519,885.88 = 206,973.82 : x
  2. Step 2: Convert to fraction form
    376,728.76/519,885.88 = 206,973.82/x
  3. Step 3: Cross multiply
    376,728.76x = 519,885.88 × 206,973.82
  4. Step 4: Simplify right side
    376,728.76x = 107,602,766,547.66
  5. Step 5: Solve for x
    x = 107,602,766,547.66/376,728.76
  6. Step 6: Final answer
    x = 285,623.98

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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.