Home / 1,560,629.74-2,341,100.37-423,409.78

Finding the Fourth Proportional to 1,560,629.74, 2,341,100.37 and 423,409.78

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Solution

The fourth proportional to 1,560,629.74, 2,341,100.37 and 423,409.78 is: 635,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,629.74 : 2,341,100.37 = 423,409.78 : x
  2. Step 2: Convert to fraction form
    1,560,629.74/2,341,100.37 = 423,409.78/x
  3. Step 3: Cross multiply
    1,560,629.74x = 2,341,100.37 × 423,409.78
  4. Step 4: Simplify right side
    1,560,629.74x = 991,244,792,619.62
  5. Step 5: Solve for x
    x = 991,244,792,619.62/1,560,629.74
  6. Step 6: Final answer
    x = 635,156.93

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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.