Home / 751,548.72-1,037,133.42-407,383.32

Finding the Fourth Proportional to 751,548.72, 1,037,133.42 and 407,383.32

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Solution

The fourth proportional to 751,548.72, 1,037,133.42 and 407,383.32 is: 562,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,548.72 : 1,037,133.42 = 407,383.32 : x
  2. Step 2: Convert to fraction form
    751,548.72/1,037,133.42 = 407,383.32/x
  3. Step 3: Cross multiply
    751,548.72x = 1,037,133.42 × 407,383.32
  4. Step 4: Simplify right side
    751,548.72x = 422,510,855,922.55
  5. Step 5: Solve for x
    x = 422,510,855,922.55/751,548.72
  6. Step 6: Final answer
    x = 562,186.91

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Double scale
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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.