Home / 813,835.22-1,123,106.04-451,274.36

Finding the Fourth Proportional to 813,835.22, 1,123,106.04 and 451,274.36

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Solution

The fourth proportional to 813,835.22, 1,123,106.04 and 451,274.36 is: 622,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,835.22 : 1,123,106.04 = 451,274.36 : x
  2. Step 2: Convert to fraction form
    813,835.22/1,123,106.04 = 451,274.36/x
  3. Step 3: Cross multiply
    813,835.22x = 1,123,106.04 × 451,274.36
  4. Step 4: Simplify right side
    813,835.22x = 506,828,953,797.60
  5. Step 5: Solve for x
    x = 506,828,953,797.60/813,835.22
  6. Step 6: Final answer
    x = 622,766.06

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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.