Home / 876,611.70-1,314,917.55-404,219.70

Finding the Fourth Proportional to 876,611.70, 1,314,917.55 and 404,219.70

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Solution

The fourth proportional to 876,611.70, 1,314,917.55 and 404,219.70 is: 606,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,611.70 : 1,314,917.55 = 404,219.70 : x
  2. Step 2: Convert to fraction form
    876,611.70/1,314,917.55 = 404,219.70/x
  3. Step 3: Cross multiply
    876,611.70x = 1,314,917.55 × 404,219.70
  4. Step 4: Simplify right side
    876,611.70x = 531,515,577,585.74
  5. Step 5: Solve for x
    x = 531,515,577,585.74/876,611.70
  6. Step 6: Final answer
    x = 606,329.55

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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.