Home / 813,418.59-1,122,584.84-450,956.15

Finding the Fourth Proportional to 813,418.59, 1,122,584.84 and 450,956.15

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Solution

The fourth proportional to 813,418.59, 1,122,584.84 and 450,956.15 is: 622,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,418.59 : 1,122,584.84 = 450,956.15 : x
  2. Step 2: Convert to fraction form
    813,418.59/1,122,584.84 = 450,956.15/x
  3. Step 3: Cross multiply
    813,418.59x = 1,122,584.84 × 450,956.15
  4. Step 4: Simplify right side
    813,418.59x = 506,236,537,494.77
  5. Step 5: Solve for x
    x = 506,236,537,494.77/813,418.59
  6. Step 6: Final answer
    x = 622,356.73

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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.