Home / 384,937.85-531,192.93-212,845.79

Finding the Fourth Proportional to 384,937.85, 531,192.93 and 212,845.79

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Solution

The fourth proportional to 384,937.85, 531,192.93 and 212,845.79 is: 293,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,937.85 : 531,192.93 = 212,845.79 : x
  2. Step 2: Convert to fraction form
    384,937.85/531,192.93 = 212,845.79/x
  3. Step 3: Cross multiply
    384,937.85x = 531,192.93 × 212,845.79
  4. Step 4: Simplify right side
    384,937.85x = 113,062,178,828.27
  5. Step 5: Solve for x
    x = 113,062,178,828.27/384,937.85
  6. Step 6: Final answer
    x = 293,715.41

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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.