Home / 354,768.34-531,869.94-204,838.57

Finding the Fourth Proportional to 354,768.34, 531,869.94 and 204,838.57

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Solution

The fourth proportional to 354,768.34, 531,869.94 and 204,838.57 is: 307,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,768.34 : 531,869.94 = 204,838.57 : x
  2. Step 2: Convert to fraction form
    354,768.34/531,869.94 = 204,838.57/x
  3. Step 3: Cross multiply
    354,768.34x = 531,869.94 × 204,838.57
  4. Step 4: Simplify right side
    354,768.34x = 108,947,477,935.59
  5. Step 5: Solve for x
    x = 108,947,477,935.59/354,768.34
  6. Step 6: Final answer
    x = 307,094.70

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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.