Home / 744,054.32-1,026,789.90-404,522.57

Finding the Fourth Proportional to 744,054.32, 1,026,789.90 and 404,522.57

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Solution

The fourth proportional to 744,054.32, 1,026,789.90 and 404,522.57 is: 558,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,054.32 : 1,026,789.90 = 404,522.57 : x
  2. Step 2: Convert to fraction form
    744,054.32/1,026,789.90 = 404,522.57/x
  3. Step 3: Cross multiply
    744,054.32x = 1,026,789.90 × 404,522.57
  4. Step 4: Simplify right side
    744,054.32x = 415,359,689,198.04
  5. Step 5: Solve for x
    x = 415,359,689,198.04/744,054.32
  6. Step 6: Final answer
    x = 558,238.39

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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.