Home / 682,216.80-1,023,325.20-416,496.30

Finding the Fourth Proportional to 682,216.80, 1,023,325.20 and 416,496.30

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Solution

The fourth proportional to 682,216.80, 1,023,325.20 and 416,496.30 is: 624,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,216.80 : 1,023,325.20 = 416,496.30 : x
  2. Step 2: Convert to fraction form
    682,216.80/1,023,325.20 = 416,496.30/x
  3. Step 3: Cross multiply
    682,216.80x = 1,023,325.20 × 416,496.30
  4. Step 4: Simplify right side
    682,216.80x = 426,211,159,496.76
  5. Step 5: Solve for x
    x = 426,211,159,496.76/682,216.80
  6. Step 6: Final answer
    x = 624,744.45

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Double scale
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Similar ratio
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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.