Home / 813,314.21-1,122,373.59-450,792.56

Finding the Fourth Proportional to 813,314.21, 1,122,373.59 and 450,792.56

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Solution

The fourth proportional to 813,314.21, 1,122,373.59 and 450,792.56 is: 622,093.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,314.21 : 1,122,373.59 = 450,792.56 : x
  2. Step 2: Convert to fraction form
    813,314.21/1,122,373.59 = 450,792.56/x
  3. Step 3: Cross multiply
    813,314.21x = 1,122,373.59 × 450,792.56
  4. Step 4: Simplify right side
    813,314.21x = 505,957,663,912.49
  5. Step 5: Solve for x
    x = 505,957,663,912.49/813,314.21
  6. Step 6: Final answer
    x = 622,093.72

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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.