Home / 822,987.11-1,234,355.89-223,994.95

Finding the Fourth Proportional to 822,987.11, 1,234,355.89 and 223,994.95

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Solution

The fourth proportional to 822,987.11, 1,234,355.89 and 223,994.95 is: 335,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,987.11 : 1,234,355.89 = 223,994.95 : x
  2. Step 2: Convert to fraction form
    822,987.11/1,234,355.89 = 223,994.95/x
  3. Step 3: Cross multiply
    822,987.11x = 1,234,355.89 × 223,994.95
  4. Step 4: Simplify right side
    822,987.11x = 276,489,485,862.76
  5. Step 5: Solve for x
    x = 276,489,485,862.76/822,987.11
  6. Step 6: Final answer
    x = 335,958.46

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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.