Home / 1,427,577.78-1,970,060.16-783,003.26

Finding the Fourth Proportional to 1,427,577.78, 1,970,060.16 and 783,003.26

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Solution

The fourth proportional to 1,427,577.78, 1,970,060.16 and 783,003.26 is: 1,080,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,577.78 : 1,970,060.16 = 783,003.26 : x
  2. Step 2: Convert to fraction form
    1,427,577.78/1,970,060.16 = 783,003.26/x
  3. Step 3: Cross multiply
    1,427,577.78x = 1,970,060.16 × 783,003.26
  4. Step 4: Simplify right side
    1,427,577.78x = 1,542,563,527,676.12
  5. Step 5: Solve for x
    x = 1,542,563,527,676.12/1,427,577.78
  6. Step 6: Final answer
    x = 1,080,546.05

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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.