Home / 876,619.70-1,314,929.55-404,227.70

Finding the Fourth Proportional to 876,619.70, 1,314,929.55 and 404,227.70

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Solution

The fourth proportional to 876,619.70, 1,314,929.55 and 404,227.70 is: 606,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,619.70 : 1,314,929.55 = 404,227.70 : x
  2. Step 2: Convert to fraction form
    876,619.70/1,314,929.55 = 404,227.70/x
  3. Step 3: Cross multiply
    876,619.70x = 1,314,929.55 × 404,227.70
  4. Step 4: Simplify right side
    876,619.70x = 531,530,947,658.54
  5. Step 5: Solve for x
    x = 531,530,947,658.54/876,619.70
  6. Step 6: Final answer
    x = 606,341.55

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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.