Home / 1,098,823.92-1,647,896.76-388,688.64

Finding the Fourth Proportional to 1,098,823.92, 1,647,896.76 and 388,688.64

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Solution

The fourth proportional to 1,098,823.92, 1,647,896.76 and 388,688.64 is: 582,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,823.92 : 1,647,896.76 = 388,688.64 : x
  2. Step 2: Convert to fraction form
    1,098,823.92/1,647,896.76 = 388,688.64/x
  3. Step 3: Cross multiply
    1,098,823.92x = 1,647,896.76 × 388,688.64
  4. Step 4: Simplify right side
    1,098,823.92x = 640,518,750,504.81
  5. Step 5: Solve for x
    x = 640,518,750,504.81/1,098,823.92
  6. Step 6: Final answer
    x = 582,913.00

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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.