Home / 682,803.40-1,024,205.10-346,880.20

Finding the Fourth Proportional to 682,803.40, 1,024,205.10 and 346,880.20

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Solution

The fourth proportional to 682,803.40, 1,024,205.10 and 346,880.20 is: 520,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,803.40 : 1,024,205.10 = 346,880.20 : x
  2. Step 2: Convert to fraction form
    682,803.40/1,024,205.10 = 346,880.20/x
  3. Step 3: Cross multiply
    682,803.40x = 1,024,205.10 × 346,880.20
  4. Step 4: Simplify right side
    682,803.40x = 355,276,469,929.02
  5. Step 5: Solve for x
    x = 355,276,469,929.02/682,803.40
  6. Step 6: Final answer
    x = 520,320.30

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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.