Home / 813,570.90-1,122,609.60-450,994.44

Finding the Fourth Proportional to 813,570.90, 1,122,609.60 and 450,994.44

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Solution

The fourth proportional to 813,570.90, 1,122,609.60 and 450,994.44 is: 622,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,570.90 : 1,122,609.60 = 450,994.44 : x
  2. Step 2: Convert to fraction form
    813,570.90/1,122,609.60 = 450,994.44/x
  3. Step 3: Cross multiply
    813,570.90x = 1,122,609.60 × 450,994.44
  4. Step 4: Simplify right side
    813,570.90x = 506,290,687,890.62
  5. Step 5: Solve for x
    x = 506,290,687,890.62/813,570.90
  6. Step 6: Final answer
    x = 622,306.78

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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.