Home / 1,254,078.08-1,730,640.24-681,129.44

Finding the Fourth Proportional to 1,254,078.08, 1,730,640.24 and 681,129.44

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Solution

The fourth proportional to 1,254,078.08, 1,730,640.24 and 681,129.44 is: 939,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,078.08 : 1,730,640.24 = 681,129.44 : x
  2. Step 2: Convert to fraction form
    1,254,078.08/1,730,640.24 = 681,129.44/x
  3. Step 3: Cross multiply
    1,254,078.08x = 1,730,640.24 × 681,129.44
  4. Step 4: Simplify right side
    1,254,078.08x = 1,178,790,017,512.67
  5. Step 5: Solve for x
    x = 1,178,790,017,512.67/1,254,078.08
  6. Step 6: Final answer
    x = 939,965.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.