Home / 923,793.30-1,384,653.15-391,223.70

Finding the Fourth Proportional to 923,793.30, 1,384,653.15 and 391,223.70

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Solution

The fourth proportional to 923,793.30, 1,384,653.15 and 391,223.70 is: 586,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,793.30 : 1,384,653.15 = 391,223.70 : x
  2. Step 2: Convert to fraction form
    923,793.30/1,384,653.15 = 391,223.70/x
  3. Step 3: Cross multiply
    923,793.30x = 1,384,653.15 × 391,223.70
  4. Step 4: Simplify right side
    923,793.30x = 541,709,128,559.66
  5. Step 5: Solve for x
    x = 541,709,128,559.66/923,793.30
  6. Step 6: Final answer
    x = 586,396.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.