Home / 683,409.60-1,025,114.40-262,699.20

Finding the Fourth Proportional to 683,409.60, 1,025,114.40 and 262,699.20

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Solution

The fourth proportional to 683,409.60, 1,025,114.40 and 262,699.20 is: 394,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,409.60 : 1,025,114.40 = 262,699.20 : x
  2. Step 2: Convert to fraction form
    683,409.60/1,025,114.40 = 262,699.20/x
  3. Step 3: Cross multiply
    683,409.60x = 1,025,114.40 × 262,699.20
  4. Step 4: Simplify right side
    683,409.60x = 269,296,732,788.48
  5. Step 5: Solve for x
    x = 269,296,732,788.48/683,409.60
  6. Step 6: Final answer
    x = 394,048.80

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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.