Home / 744,566.80-1,116,850.20-461,131.60

Finding the Fourth Proportional to 744,566.80, 1,116,850.20 and 461,131.60

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Solution

The fourth proportional to 744,566.80, 1,116,850.20 and 461,131.60 is: 691,697.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,566.80 : 1,116,850.20 = 461,131.60 : x
  2. Step 2: Convert to fraction form
    744,566.80/1,116,850.20 = 461,131.60/x
  3. Step 3: Cross multiply
    744,566.80x = 1,116,850.20 × 461,131.60
  4. Step 4: Simplify right side
    744,566.80x = 515,014,919,686.32
  5. Step 5: Solve for x
    x = 515,014,919,686.32/744,566.80
  6. Step 6: Final answer
    x = 691,697.40

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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.