Home / 1,240,858.60-1,861,292.22-492,902.44

Finding the Fourth Proportional to 1,240,858.60, 1,861,292.22 and 492,902.44

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Solution

The fourth proportional to 1,240,858.60, 1,861,292.22 and 492,902.44 is: 739,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,858.60 : 1,861,292.22 = 492,902.44 : x
  2. Step 2: Convert to fraction form
    1,240,858.60/1,861,292.22 = 492,902.44/x
  3. Step 3: Cross multiply
    1,240,858.60x = 1,861,292.22 × 492,902.44
  4. Step 4: Simplify right side
    1,240,858.60x = 917,435,476,791.02
  5. Step 5: Solve for x
    x = 917,435,476,791.02/1,240,858.60
  6. Step 6: Final answer
    x = 739,355.38

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Double scale
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1.5x scale

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.