Home / 451,066.90-622,472.27-247,125.05

Finding the Fourth Proportional to 451,066.90, 622,472.27 and 247,125.05

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Solution

The fourth proportional to 451,066.90, 622,472.27 and 247,125.05 is: 341,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,066.90 : 622,472.27 = 247,125.05 : x
  2. Step 2: Convert to fraction form
    451,066.90/622,472.27 = 247,125.05/x
  3. Step 3: Cross multiply
    451,066.90x = 622,472.27 × 247,125.05
  4. Step 4: Simplify right side
    451,066.90x = 153,828,490,847.36
  5. Step 5: Solve for x
    x = 153,828,490,847.36/451,066.90
  6. Step 6: Final answer
    x = 341,032.54

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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.