Home / 330,767.64-496,268.10-120,426.84

Finding the Fourth Proportional to 330,767.64, 496,268.10 and 120,426.84

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Solution

The fourth proportional to 330,767.64, 496,268.10 and 120,426.84 is: 180,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,767.64 : 496,268.10 = 120,426.84 : x
  2. Step 2: Convert to fraction form
    330,767.64/496,268.10 = 120,426.84/x
  3. Step 3: Cross multiply
    330,767.64x = 496,268.10 × 120,426.84
  4. Step 4: Simplify right side
    330,767.64x = 59,763,999,075.80
  5. Step 5: Solve for x
    x = 59,763,999,075.80/330,767.64
  6. Step 6: Final answer
    x = 180,682.73

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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.