Home / 451,717.36-623,365.68-247,764.16

Finding the Fourth Proportional to 451,717.36, 623,365.68 and 247,764.16

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Solution

The fourth proportional to 451,717.36, 623,365.68 and 247,764.16 is: 341,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,717.36 : 623,365.68 = 247,764.16 : x
  2. Step 2: Convert to fraction form
    451,717.36/623,365.68 = 247,764.16/x
  3. Step 3: Cross multiply
    451,717.36x = 623,365.68 × 247,764.16
  4. Step 4: Simplify right side
    451,717.36x = 154,447,674,078.03
  5. Step 5: Solve for x
    x = 154,447,674,078.03/451,717.36
  6. Step 6: Final answer
    x = 341,912.20

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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.