Home / 923,863.50-1,274,935.47-499,927.50

Finding the Fourth Proportional to 923,863.50, 1,274,935.47 and 499,927.50

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Solution

The fourth proportional to 923,863.50, 1,274,935.47 and 499,927.50 is: 689,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,863.50 : 1,274,935.47 = 499,927.50 : x
  2. Step 2: Convert to fraction form
    923,863.50/1,274,935.47 = 499,927.50/x
  3. Step 3: Cross multiply
    923,863.50x = 1,274,935.47 × 499,927.50
  4. Step 4: Simplify right side
    923,863.50x = 637,375,302,178.43
  5. Step 5: Solve for x
    x = 637,375,302,178.43/923,863.50
  6. Step 6: Final answer
    x = 689,902.03

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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.