Home / 1,109,035.60-1,663,553.40-361,157.20

Finding the Fourth Proportional to 1,109,035.60, 1,663,553.40 and 361,157.20

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Solution

The fourth proportional to 1,109,035.60, 1,663,553.40 and 361,157.20 is: 541,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,035.60 : 1,663,553.40 = 361,157.20 : x
  2. Step 2: Convert to fraction form
    1,109,035.60/1,663,553.40 = 361,157.20/x
  3. Step 3: Cross multiply
    1,109,035.60x = 1,663,553.40 × 361,157.20
  4. Step 4: Simplify right side
    1,109,035.60x = 600,804,287,994.48
  5. Step 5: Solve for x
    x = 600,804,287,994.48/1,109,035.60
  6. Step 6: Final answer
    x = 541,735.80

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Double scale
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Similar ratio
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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.