Home / 904,090.68-1,356,114.15-230,173.45

Finding the Fourth Proportional to 904,090.68, 1,356,114.15 and 230,173.45

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Solution

The fourth proportional to 904,090.68, 1,356,114.15 and 230,173.45 is: 345,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,090.68 : 1,356,114.15 = 230,173.45 : x
  2. Step 2: Convert to fraction form
    904,090.68/1,356,114.15 = 230,173.45/x
  3. Step 3: Cross multiply
    904,090.68x = 1,356,114.15 × 230,173.45
  4. Step 4: Simplify right side
    904,090.68x = 312,141,469,109.03
  5. Step 5: Solve for x
    x = 312,141,469,109.03/904,090.68
  6. Step 6: Final answer
    x = 345,254.60

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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.