Home / 787,818.58-1,181,654.97-219,208.30

Finding the Fourth Proportional to 787,818.58, 1,181,654.97 and 219,208.30

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Solution

The fourth proportional to 787,818.58, 1,181,654.97 and 219,208.30 is: 328,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,818.58 : 1,181,654.97 = 219,208.30 : x
  2. Step 2: Convert to fraction form
    787,818.58/1,181,654.97 = 219,208.30/x
  3. Step 3: Cross multiply
    787,818.58x = 1,181,654.97 × 219,208.30
  4. Step 4: Simplify right side
    787,818.58x = 259,028,574,206.11
  5. Step 5: Solve for x
    x = 259,028,574,206.11/787,818.58
  6. Step 6: Final answer
    x = 328,792.16

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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.