Home / 682,810.80-1,024,216.20-434,593.20

Finding the Fourth Proportional to 682,810.80, 1,024,216.20 and 434,593.20

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Solution

The fourth proportional to 682,810.80, 1,024,216.20 and 434,593.20 is: 651,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,810.80 : 1,024,216.20 = 434,593.20 : x
  2. Step 2: Convert to fraction form
    682,810.80/1,024,216.20 = 434,593.20/x
  3. Step 3: Cross multiply
    682,810.80x = 1,024,216.20 × 434,593.20
  4. Step 4: Simplify right side
    682,810.80x = 445,117,395,849.84
  5. Step 5: Solve for x
    x = 445,117,395,849.84/682,810.80
  6. Step 6: Final answer
    x = 651,889.80

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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.