Home / 741,975.75-1,023,926.58-419,678.91

Finding the Fourth Proportional to 741,975.75, 1,023,926.58 and 419,678.91

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Solution

The fourth proportional to 741,975.75, 1,023,926.58 and 419,678.91 is: 579,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,975.75 : 1,023,926.58 = 419,678.91 : x
  2. Step 2: Convert to fraction form
    741,975.75/1,023,926.58 = 419,678.91/x
  3. Step 3: Cross multiply
    741,975.75x = 1,023,926.58 × 419,678.91
  4. Step 4: Simplify right side
    741,975.75x = 429,720,391,014.43
  5. Step 5: Solve for x
    x = 429,720,391,014.43/741,975.75
  6. Step 6: Final answer
    x = 579,156.92

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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.