Home / 1,067,026.70-1,601,706.45-668,117.90

Finding the Fourth Proportional to 1,067,026.70, 1,601,706.45 and 668,117.90

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Solution

The fourth proportional to 1,067,026.70, 1,601,706.45 and 668,117.90 is: 1,002,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,026.70 : 1,601,706.45 = 668,117.90 : x
  2. Step 2: Convert to fraction form
    1,067,026.70/1,601,706.45 = 668,117.90/x
  3. Step 3: Cross multiply
    1,067,026.70x = 1,601,706.45 × 668,117.90
  4. Step 4: Simplify right side
    1,067,026.70x = 1,070,128,749,790.46
  5. Step 5: Solve for x
    x = 1,070,128,749,790.46/1,067,026.70
  6. Step 6: Final answer
    x = 1,002,907.19

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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.