Home / 626,733.19-939,859.87-266,678.82

Finding the Fourth Proportional to 626,733.19, 939,859.87 and 266,678.82

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Solution

The fourth proportional to 626,733.19, 939,859.87 and 266,678.82 is: 399,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,733.19 : 939,859.87 = 266,678.82 : x
  2. Step 2: Convert to fraction form
    626,733.19/939,859.87 = 266,678.82/x
  3. Step 3: Cross multiply
    626,733.19x = 939,859.87 × 266,678.82
  4. Step 4: Simplify right side
    626,733.19x = 250,640,723,954.73
  5. Step 5: Solve for x
    x = 250,640,723,954.73/626,733.19
  6. Step 6: Final answer
    x = 399,916.15

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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.