Home / 923,861.78-1,274,965.60-531,394.02

Finding the Fourth Proportional to 923,861.78, 1,274,965.60 and 531,394.02

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Solution

The fourth proportional to 923,861.78, 1,274,965.60 and 531,394.02 is: 733,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,861.78 : 1,274,965.60 = 531,394.02 : x
  2. Step 2: Convert to fraction form
    923,861.78/1,274,965.60 = 531,394.02/x
  3. Step 3: Cross multiply
    923,861.78x = 1,274,965.60 × 531,394.02
  4. Step 4: Simplify right side
    923,861.78x = 677,509,095,545.71
  5. Step 5: Solve for x
    x = 677,509,095,545.71/923,861.78
  6. Step 6: Final answer
    x = 733,344.65

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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.