Home / 1,003,795.44-1,385,240.04-551,115.60

Finding the Fourth Proportional to 1,003,795.44, 1,385,240.04 and 551,115.60

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Solution

The fourth proportional to 1,003,795.44, 1,385,240.04 and 551,115.60 is: 760,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,795.44 : 1,385,240.04 = 551,115.60 : x
  2. Step 2: Convert to fraction form
    1,003,795.44/1,385,240.04 = 551,115.60/x
  3. Step 3: Cross multiply
    1,003,795.44x = 1,385,240.04 × 551,115.60
  4. Step 4: Simplify right side
    1,003,795.44x = 763,427,395,788.62
  5. Step 5: Solve for x
    x = 763,427,395,788.62/1,003,795.44
  6. Step 6: Final answer
    x = 760,540.81

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Double scale
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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.