Home / 1,704,538.59-2,556,143.42-638,999.25

Finding the Fourth Proportional to 1,704,538.59, 2,556,143.42 and 638,999.25

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Solution

The fourth proportional to 1,704,538.59, 2,556,143.42 and 638,999.25 is: 958,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,538.59 : 2,556,143.42 = 638,999.25 : x
  2. Step 2: Convert to fraction form
    1,704,538.59/2,556,143.42 = 638,999.25/x
  3. Step 3: Cross multiply
    1,704,538.59x = 2,556,143.42 × 638,999.25
  4. Step 4: Simplify right side
    1,704,538.59x = 1,633,373,725,077.44
  5. Step 5: Solve for x
    x = 1,633,373,725,077.44/1,704,538.59
  6. Step 6: Final answer
    x = 958,249.78

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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.