Home / 753,022.10-1,039,168.22-451,216.10

Finding the Fourth Proportional to 753,022.10, 1,039,168.22 and 451,216.10

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Solution

The fourth proportional to 753,022.10, 1,039,168.22 and 451,216.10 is: 622,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,022.10 : 1,039,168.22 = 451,216.10 : x
  2. Step 2: Convert to fraction form
    753,022.10/1,039,168.22 = 451,216.10/x
  3. Step 3: Cross multiply
    753,022.10x = 1,039,168.22 × 451,216.10
  4. Step 4: Simplify right side
    753,022.10x = 468,889,431,472.34
  5. Step 5: Solve for x
    x = 468,889,431,472.34/753,022.10
  6. Step 6: Final answer
    x = 622,676.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.