Home / 682,514.04-942,171.34-440,914.36

Finding the Fourth Proportional to 682,514.04, 942,171.34 and 440,914.36

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Solution

The fourth proportional to 682,514.04, 942,171.34 and 440,914.36 is: 608,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,514.04 : 942,171.34 = 440,914.36 : x
  2. Step 2: Convert to fraction form
    682,514.04/942,171.34 = 440,914.36/x
  3. Step 3: Cross multiply
    682,514.04x = 942,171.34 × 440,914.36
  4. Step 4: Simplify right side
    682,514.04x = 415,416,873,386.44
  5. Step 5: Solve for x
    x = 415,416,873,386.44/682,514.04
  6. Step 6: Final answer
    x = 608,656.89

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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.