Home / 476,919.84-715,378.32-121,933.92

Finding the Fourth Proportional to 476,919.84, 715,378.32 and 121,933.92

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Solution

The fourth proportional to 476,919.84, 715,378.32 and 121,933.92 is: 182,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,919.84 : 715,378.32 = 121,933.92 : x
  2. Step 2: Convert to fraction form
    476,919.84/715,378.32 = 121,933.92/x
  3. Step 3: Cross multiply
    476,919.84x = 715,378.32 × 121,933.92
  4. Step 4: Simplify right side
    476,919.84x = 87,228,882,840.61
  5. Step 5: Solve for x
    x = 87,228,882,840.61/476,919.84
  6. Step 6: Final answer
    x = 182,900.51

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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.