Home / 1,093,558.60-1,640,337.90-668,405.80

Finding the Fourth Proportional to 1,093,558.60, 1,640,337.90 and 668,405.80

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Solution

The fourth proportional to 1,093,558.60, 1,640,337.90 and 668,405.80 is: 1,002,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,558.60 : 1,640,337.90 = 668,405.80 : x
  2. Step 2: Convert to fraction form
    1,093,558.60/1,640,337.90 = 668,405.80/x
  3. Step 3: Cross multiply
    1,093,558.60x = 1,640,337.90 × 668,405.80
  4. Step 4: Simplify right side
    1,093,558.60x = 1,096,411,366,319.82
  5. Step 5: Solve for x
    x = 1,096,411,366,319.82/1,093,558.60
  6. Step 6: Final answer
    x = 1,002,608.70

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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.