Home / 822,840.40-1,236,334.20-523,464.40

Finding the Fourth Proportional to 822,840.40, 1,236,334.20 and 523,464.40

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Solution

The fourth proportional to 822,840.40, 1,236,334.20 and 523,464.40 is: 786,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,840.40 : 1,236,334.20 = 523,464.40 : x
  2. Step 2: Convert to fraction form
    822,840.40/1,236,334.20 = 523,464.40/x
  3. Step 3: Cross multiply
    822,840.40x = 1,236,334.20 × 523,464.40
  4. Step 4: Simplify right side
    822,840.40x = 647,176,940,202.48
  5. Step 5: Solve for x
    x = 647,176,940,202.48/822,840.40
  6. Step 6: Final answer
    x = 786,515.76

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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.