Home / 721,548.54-1,082,003.00-384,526.44

Finding the Fourth Proportional to 721,548.54, 1,082,003.00 and 384,526.44

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Solution

The fourth proportional to 721,548.54, 1,082,003.00 and 384,526.44 is: 576,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,548.54 : 1,082,003.00 = 384,526.44 : x
  2. Step 2: Convert to fraction form
    721,548.54/1,082,003.00 = 384,526.44/x
  3. Step 3: Cross multiply
    721,548.54x = 1,082,003.00 × 384,526.44
  4. Step 4: Simplify right side
    721,548.54x = 416,058,759,736.69
  5. Step 5: Solve for x
    x = 416,058,759,736.69/721,548.54
  6. Step 6: Final answer
    x = 576,619.22

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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.