Home / 751,444.68-1,036,993.68-411,905.64

Finding the Fourth Proportional to 751,444.68, 1,036,993.68 and 411,905.64

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Solution

The fourth proportional to 751,444.68, 1,036,993.68 and 411,905.64 is: 568,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,444.68 : 1,036,993.68 = 411,905.64 : x
  2. Step 2: Convert to fraction form
    751,444.68/1,036,993.68 = 411,905.64/x
  3. Step 3: Cross multiply
    751,444.68x = 1,036,993.68 × 411,905.64
  4. Step 4: Simplify right side
    751,444.68x = 427,143,545,436.36
  5. Step 5: Solve for x
    x = 427,143,545,436.36/751,444.68
  6. Step 6: Final answer
    x = 568,429.80

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.