Home / 1,230,203.70-1,845,305.55-663,333.30

Finding the Fourth Proportional to 1,230,203.70, 1,845,305.55 and 663,333.30

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Solution

The fourth proportional to 1,230,203.70, 1,845,305.55 and 663,333.30 is: 994,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,203.70 : 1,845,305.55 = 663,333.30 : x
  2. Step 2: Convert to fraction form
    1,230,203.70/1,845,305.55 = 663,333.30/x
  3. Step 3: Cross multiply
    1,230,203.70x = 1,845,305.55 × 663,333.30
  4. Step 4: Simplify right side
    1,230,203.70x = 1,224,052,619,989.82
  5. Step 5: Solve for x
    x = 1,224,052,619,989.82/1,230,203.70
  6. Step 6: Final answer
    x = 994,999.95

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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.