Home / 823,589.60-1,235,384.40-571,647.20

Finding the Fourth Proportional to 823,589.60, 1,235,384.40 and 571,647.20

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Solution

The fourth proportional to 823,589.60, 1,235,384.40 and 571,647.20 is: 857,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,589.60 : 1,235,384.40 = 571,647.20 : x
  2. Step 2: Convert to fraction form
    823,589.60/1,235,384.40 = 571,647.20/x
  3. Step 3: Cross multiply
    823,589.60x = 1,235,384.40 × 571,647.20
  4. Step 4: Simplify right side
    823,589.60x = 706,204,033,183.68
  5. Step 5: Solve for x
    x = 706,204,033,183.68/823,589.60
  6. Step 6: Final answer
    x = 857,470.80

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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.