Home / 454,816.20-682,785.90-286,336.20

Finding the Fourth Proportional to 454,816.20, 682,785.90 and 286,336.20

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Solution

The fourth proportional to 454,816.20, 682,785.90 and 286,336.20 is: 429,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,816.20 : 682,785.90 = 286,336.20 : x
  2. Step 2: Convert to fraction form
    454,816.20/682,785.90 = 286,336.20/x
  3. Step 3: Cross multiply
    454,816.20x = 682,785.90 × 286,336.20
  4. Step 4: Simplify right side
    454,816.20x = 195,506,320,019.58
  5. Step 5: Solve for x
    x = 195,506,320,019.58/454,816.20
  6. Step 6: Final answer
    x = 429,857.86

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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.