Home / 519,227.34-778,834.73-134,942.15

Finding the Fourth Proportional to 519,227.34, 778,834.73 and 134,942.15

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Solution

The fourth proportional to 519,227.34, 778,834.73 and 134,942.15 is: 202,411.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,227.34 : 778,834.73 = 134,942.15 : x
  2. Step 2: Convert to fraction form
    519,227.34/778,834.73 = 134,942.15/x
  3. Step 3: Cross multiply
    519,227.34x = 778,834.73 × 134,942.15
  4. Step 4: Simplify right side
    519,227.34x = 105,097,628,391.99
  5. Step 5: Solve for x
    x = 105,097,628,391.99/519,227.34
  6. Step 6: Final answer
    x = 202,411.58

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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.