Home / 813,233.91-1,122,287.40-450,623.84

Finding the Fourth Proportional to 813,233.91, 1,122,287.40 and 450,623.84

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Solution

The fourth proportional to 813,233.91, 1,122,287.40 and 450,623.84 is: 621,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,233.91 : 1,122,287.40 = 450,623.84 : x
  2. Step 2: Convert to fraction form
    813,233.91/1,122,287.40 = 450,623.84/x
  3. Step 3: Cross multiply
    813,233.91x = 1,122,287.40 × 450,623.84
  4. Step 4: Simplify right side
    813,233.91x = 505,729,452,160.18
  5. Step 5: Solve for x
    x = 505,729,452,160.18/813,233.91
  6. Step 6: Final answer
    x = 621,874.53

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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.