Home / 330,946.16-496,320.28-120,534.89

Finding the Fourth Proportional to 330,946.16, 496,320.28 and 120,534.89

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Solution

The fourth proportional to 330,946.16, 496,320.28 and 120,534.89 is: 180,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,946.16 : 496,320.28 = 120,534.89 : x
  2. Step 2: Convert to fraction form
    330,946.16/496,320.28 = 120,534.89/x
  3. Step 3: Cross multiply
    330,946.16x = 496,320.28 × 120,534.89
  4. Step 4: Simplify right side
    330,946.16x = 59,823,907,571.63
  5. Step 5: Solve for x
    x = 59,823,907,571.63/330,946.16
  6. Step 6: Final answer
    x = 180,766.29

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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.