Home / 743,406.48-1,025,837.20-412,273.04

Finding the Fourth Proportional to 743,406.48, 1,025,837.20 and 412,273.04

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Solution

The fourth proportional to 743,406.48, 1,025,837.20 and 412,273.04 is: 568,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,406.48 : 1,025,837.20 = 412,273.04 : x
  2. Step 2: Convert to fraction form
    743,406.48/1,025,837.20 = 412,273.04/x
  3. Step 3: Cross multiply
    743,406.48x = 1,025,837.20 × 412,273.04
  4. Step 4: Simplify right side
    743,406.48x = 422,925,020,989.09
  5. Step 5: Solve for x
    x = 422,925,020,989.09/743,406.48
  6. Step 6: Final answer
    x = 568,901.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.