Home / 746,703.60-1,120,055.40-448,105.20

Finding the Fourth Proportional to 746,703.60, 1,120,055.40 and 448,105.20

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Solution

The fourth proportional to 746,703.60, 1,120,055.40 and 448,105.20 is: 672,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,703.60 : 1,120,055.40 = 448,105.20 : x
  2. Step 2: Convert to fraction form
    746,703.60/1,120,055.40 = 448,105.20/x
  3. Step 3: Cross multiply
    746,703.60x = 1,120,055.40 × 448,105.20
  4. Step 4: Simplify right side
    746,703.60x = 501,902,649,028.08
  5. Step 5: Solve for x
    x = 501,902,649,028.08/746,703.60
  6. Step 6: Final answer
    x = 672,157.80

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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.