Home / 721,867.48-1,082,788.44-248,542.36

Finding the Fourth Proportional to 721,867.48, 1,082,788.44 and 248,542.36

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Solution

The fourth proportional to 721,867.48, 1,082,788.44 and 248,542.36 is: 372,809.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,867.48 : 1,082,788.44 = 248,542.36 : x
  2. Step 2: Convert to fraction form
    721,867.48/1,082,788.44 = 248,542.36/x
  3. Step 3: Cross multiply
    721,867.48x = 1,082,788.44 × 248,542.36
  4. Step 4: Simplify right side
    721,867.48x = 269,118,794,258.32
  5. Step 5: Solve for x
    x = 269,118,794,258.32/721,867.48
  6. Step 6: Final answer
    x = 372,809.14

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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.