Home / 813,843.66-1,123,106.67-451,293.06

Finding the Fourth Proportional to 813,843.66, 1,123,106.67 and 451,293.06

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Solution

The fourth proportional to 813,843.66, 1,123,106.67 and 451,293.06 is: 622,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,843.66 : 1,123,106.67 = 451,293.06 : x
  2. Step 2: Convert to fraction form
    813,843.66/1,123,106.67 = 451,293.06/x
  3. Step 3: Cross multiply
    813,843.66x = 1,123,106.67 × 451,293.06
  4. Step 4: Simplify right side
    813,843.66x = 506,850,245,810.71
  5. Step 5: Solve for x
    x = 506,850,245,810.71/813,843.66
  6. Step 6: Final answer
    x = 622,785.76

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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.