Home / 868,837.20-1,303,255.80-658,885.20

Finding the Fourth Proportional to 868,837.20, 1,303,255.80 and 658,885.20

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Solution

The fourth proportional to 868,837.20, 1,303,255.80 and 658,885.20 is: 988,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,837.20 : 1,303,255.80 = 658,885.20 : x
  2. Step 2: Convert to fraction form
    868,837.20/1,303,255.80 = 658,885.20/x
  3. Step 3: Cross multiply
    868,837.20x = 1,303,255.80 × 658,885.20
  4. Step 4: Simplify right side
    868,837.20x = 858,695,958,434.16
  5. Step 5: Solve for x
    x = 858,695,958,434.16/868,837.20
  6. Step 6: Final answer
    x = 988,327.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.