Home / 893,669.38-1,233,261.36-485,771.20

Finding the Fourth Proportional to 893,669.38, 1,233,261.36 and 485,771.20

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Solution

The fourth proportional to 893,669.38, 1,233,261.36 and 485,771.20 is: 670,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,669.38 : 1,233,261.36 = 485,771.20 : x
  2. Step 2: Convert to fraction form
    893,669.38/1,233,261.36 = 485,771.20/x
  3. Step 3: Cross multiply
    893,669.38x = 1,233,261.36 × 485,771.20
  4. Step 4: Simplify right side
    893,669.38x = 599,082,850,760.83
  5. Step 5: Solve for x
    x = 599,082,850,760.83/893,669.38
  6. Step 6: Final answer
    x = 670,362.96

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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.