Home / 740,629.40-1,110,944.10-457,194.20

Finding the Fourth Proportional to 740,629.40, 1,110,944.10 and 457,194.20

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Solution

The fourth proportional to 740,629.40, 1,110,944.10 and 457,194.20 is: 685,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,629.40 : 1,110,944.10 = 457,194.20 : x
  2. Step 2: Convert to fraction form
    740,629.40/1,110,944.10 = 457,194.20/x
  3. Step 3: Cross multiply
    740,629.40x = 1,110,944.10 × 457,194.20
  4. Step 4: Simplify right side
    740,629.40x = 507,917,199,044.22
  5. Step 5: Solve for x
    x = 507,917,199,044.22/740,629.40
  6. Step 6: Final answer
    x = 685,791.30

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Double scale
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Similar ratio
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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.