Home / 862,447.20-1,293,670.80-548,296.80

Finding the Fourth Proportional to 862,447.20, 1,293,670.80 and 548,296.80

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Solution

The fourth proportional to 862,447.20, 1,293,670.80 and 548,296.80 is: 822,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,447.20 : 1,293,670.80 = 548,296.80 : x
  2. Step 2: Convert to fraction form
    862,447.20/1,293,670.80 = 548,296.80/x
  3. Step 3: Cross multiply
    862,447.20x = 1,293,670.80 × 548,296.80
  4. Step 4: Simplify right side
    862,447.20x = 709,315,559,893.44
  5. Step 5: Solve for x
    x = 709,315,559,893.44/862,447.20
  6. Step 6: Final answer
    x = 822,445.20

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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.