Home / 1,277,682.80-1,763,138.60-704,688.80

Finding the Fourth Proportional to 1,277,682.80, 1,763,138.60 and 704,688.80

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Solution

The fourth proportional to 1,277,682.80, 1,763,138.60 and 704,688.80 is: 972,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,682.80 : 1,763,138.60 = 704,688.80 : x
  2. Step 2: Convert to fraction form
    1,277,682.80/1,763,138.60 = 704,688.80/x
  3. Step 3: Cross multiply
    1,277,682.80x = 1,763,138.60 × 704,688.80
  4. Step 4: Simplify right side
    1,277,682.80x = 1,242,464,024,267.68
  5. Step 5: Solve for x
    x = 1,242,464,024,267.68/1,277,682.80
  6. Step 6: Final answer
    x = 972,435.43

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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.