Home / 744,357.52-1,027,218.20-404,828.20

Finding the Fourth Proportional to 744,357.52, 1,027,218.20 and 404,828.20

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Solution

The fourth proportional to 744,357.52, 1,027,218.20 and 404,828.20 is: 558,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,357.52 : 1,027,218.20 = 404,828.20 : x
  2. Step 2: Convert to fraction form
    744,357.52/1,027,218.20 = 404,828.20/x
  3. Step 3: Cross multiply
    744,357.52x = 1,027,218.20 × 404,828.20
  4. Step 4: Simplify right side
    744,357.52x = 415,846,894,913.24
  5. Step 5: Solve for x
    x = 415,846,894,913.24/744,357.52
  6. Step 6: Final answer
    x = 558,665.54

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Double scale
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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.