Home / 682,946.80-1,024,420.20-327,875.20

Finding the Fourth Proportional to 682,946.80, 1,024,420.20 and 327,875.20

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Solution

The fourth proportional to 682,946.80, 1,024,420.20 and 327,875.20 is: 491,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,946.80 : 1,024,420.20 = 327,875.20 : x
  2. Step 2: Convert to fraction form
    682,946.80/1,024,420.20 = 327,875.20/x
  3. Step 3: Cross multiply
    682,946.80x = 1,024,420.20 × 327,875.20
  4. Step 4: Simplify right side
    682,946.80x = 335,881,977,959.04
  5. Step 5: Solve for x
    x = 335,881,977,959.04/682,946.80
  6. Step 6: Final answer
    x = 491,812.80

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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.