Home / 856,201.81-1,284,724.76-400,823.92

Finding the Fourth Proportional to 856,201.81, 1,284,724.76 and 400,823.92

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Solution

The fourth proportional to 856,201.81, 1,284,724.76 and 400,823.92 is: 601,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,201.81 : 1,284,724.76 = 400,823.92 : x
  2. Step 2: Convert to fraction form
    856,201.81/1,284,724.76 = 400,823.92/x
  3. Step 3: Cross multiply
    856,201.81x = 1,284,724.76 × 400,823.92
  4. Step 4: Simplify right side
    856,201.81x = 514,948,414,424.26
  5. Step 5: Solve for x
    x = 514,948,414,424.26/856,201.81
  6. Step 6: Final answer
    x = 601,433.46

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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.