Home / 826,745.06-1,140,820.05-464,208.50

Finding the Fourth Proportional to 826,745.06, 1,140,820.05 and 464,208.50

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Solution

The fourth proportional to 826,745.06, 1,140,820.05 and 464,208.50 is: 640,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,745.06 : 1,140,820.05 = 464,208.50 : x
  2. Step 2: Convert to fraction form
    826,745.06/1,140,820.05 = 464,208.50/x
  3. Step 3: Cross multiply
    826,745.06x = 1,140,820.05 × 464,208.50
  4. Step 4: Simplify right side
    826,745.06x = 529,578,364,180.43
  5. Step 5: Solve for x
    x = 529,578,364,180.43/826,745.06
  6. Step 6: Final answer
    x = 640,558.24

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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.