Home / 1,278,107.01-1,763,793.36-705,164.04

Finding the Fourth Proportional to 1,278,107.01, 1,763,793.36 and 705,164.04

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Solution

The fourth proportional to 1,278,107.01, 1,763,793.36 and 705,164.04 is: 973,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,107.01 : 1,763,793.36 = 705,164.04 : x
  2. Step 2: Convert to fraction form
    1,278,107.01/1,763,793.36 = 705,164.04/x
  3. Step 3: Cross multiply
    1,278,107.01x = 1,763,793.36 × 705,164.04
  4. Step 4: Simplify right side
    1,278,107.01x = 1,243,763,651,462.77
  5. Step 5: Solve for x
    x = 1,243,763,651,462.77/1,278,107.01
  6. Step 6: Final answer
    x = 973,129.51

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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.