Home / 642,255.36-963,432.84-192,941.06

Finding the Fourth Proportional to 642,255.36, 963,432.84 and 192,941.06

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Solution

The fourth proportional to 642,255.36, 963,432.84 and 192,941.06 is: 289,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,255.36 : 963,432.84 = 192,941.06 : x
  2. Step 2: Convert to fraction form
    642,255.36/963,432.84 = 192,941.06/x
  3. Step 3: Cross multiply
    642,255.36x = 963,432.84 × 192,941.06
  4. Step 4: Simplify right side
    642,255.36x = 185,885,753,388.41
  5. Step 5: Solve for x
    x = 185,885,753,388.41/642,255.36
  6. Step 6: Final answer
    x = 289,426.55

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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.