Home / 484,524.40-668,637-269,664.44

Finding the Fourth Proportional to 484,524.40, 668,637 and 269,664.44

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Solution

The fourth proportional to 484,524.40, 668,637 and 269,664.44 is: 372,133.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,524.40 : 668,637 = 269,664.44 : x
  2. Step 2: Convert to fraction form
    484,524.40/668,637 = 269,664.44/x
  3. Step 3: Cross multiply
    484,524.40x = 668,637 × 269,664.44
  4. Step 4: Simplify right side
    484,524.40x = 180,307,622,168.28
  5. Step 5: Solve for x
    x = 180,307,622,168.28/484,524.40
  6. Step 6: Final answer
    x = 372,133.21

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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.