Home / 451,334.19-622,909.80-288,061.23

Finding the Fourth Proportional to 451,334.19, 622,909.80 and 288,061.23

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Solution

The fourth proportional to 451,334.19, 622,909.80 and 288,061.23 is: 397,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,334.19 : 622,909.80 = 288,061.23 : x
  2. Step 2: Convert to fraction form
    451,334.19/622,909.80 = 288,061.23/x
  3. Step 3: Cross multiply
    451,334.19x = 622,909.80 × 288,061.23
  4. Step 4: Simplify right side
    451,334.19x = 179,436,163,167.05
  5. Step 5: Solve for x
    x = 179,436,163,167.05/451,334.19
  6. Step 6: Final answer
    x = 397,568.29

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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.