Home / 1,032,739.20-1,425,100.32-579,942.72

Finding the Fourth Proportional to 1,032,739.20, 1,425,100.32 and 579,942.72

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Solution

The fourth proportional to 1,032,739.20, 1,425,100.32 and 579,942.72 is: 800,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,739.20 : 1,425,100.32 = 579,942.72 : x
  2. Step 2: Convert to fraction form
    1,032,739.20/1,425,100.32 = 579,942.72/x
  3. Step 3: Cross multiply
    1,032,739.20x = 1,425,100.32 × 579,942.72
  4. Step 4: Simplify right side
    1,032,739.20x = 826,476,555,853.67
  5. Step 5: Solve for x
    x = 826,476,555,853.67/1,032,739.20
  6. Step 6: Final answer
    x = 800,276.15

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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.