Home / 808,584.60-1,212,658.20-239,964.60

Finding the Fourth Proportional to 808,584.60, 1,212,658.20 and 239,964.60

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Solution

The fourth proportional to 808,584.60, 1,212,658.20 and 239,964.60 is: 359,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,584.60 : 1,212,658.20 = 239,964.60 : x
  2. Step 2: Convert to fraction form
    808,584.60/1,212,658.20 = 239,964.60/x
  3. Step 3: Cross multiply
    808,584.60x = 1,212,658.20 × 239,964.60
  4. Step 4: Simplify right side
    808,584.60x = 290,995,039,899.72
  5. Step 5: Solve for x
    x = 290,995,039,899.72/808,584.60
  6. Step 6: Final answer
    x = 359,882.00

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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.