Home / 744,369.45-1,027,200.20-404,837.97

Finding the Fourth Proportional to 744,369.45, 1,027,200.20 and 404,837.97

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Solution

The fourth proportional to 744,369.45, 1,027,200.20 and 404,837.97 is: 558,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,369.45 : 1,027,200.20 = 404,837.97 : x
  2. Step 2: Convert to fraction form
    744,369.45/1,027,200.20 = 404,837.97/x
  3. Step 3: Cross multiply
    744,369.45x = 1,027,200.20 × 404,837.97
  4. Step 4: Simplify right side
    744,369.45x = 415,849,641,727.40
  5. Step 5: Solve for x
    x = 415,849,641,727.40/744,369.45
  6. Step 6: Final answer
    x = 558,660.28

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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.