Home / 814,006.88-1,221,024.08-281,541.76

Finding the Fourth Proportional to 814,006.88, 1,221,024.08 and 281,541.76

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Solution

The fourth proportional to 814,006.88, 1,221,024.08 and 281,541.76 is: 422,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,006.88 : 1,221,024.08 = 281,541.76 : x
  2. Step 2: Convert to fraction form
    814,006.88/1,221,024.08 = 281,541.76/x
  3. Step 3: Cross multiply
    814,006.88x = 1,221,024.08 × 281,541.76
  4. Step 4: Simplify right side
    814,006.88x = 343,769,268,485.58
  5. Step 5: Solve for x
    x = 343,769,268,485.58/814,006.88
  6. Step 6: Final answer
    x = 422,317.40

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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.