Home / 845,081.67-1,166,221.89-463,100.25

Finding the Fourth Proportional to 845,081.67, 1,166,221.89 and 463,100.25

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Solution

The fourth proportional to 845,081.67, 1,166,221.89 and 463,100.25 is: 639,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,081.67 : 1,166,221.89 = 463,100.25 : x
  2. Step 2: Convert to fraction form
    845,081.67/1,166,221.89 = 463,100.25/x
  3. Step 3: Cross multiply
    845,081.67x = 1,166,221.89 × 463,100.25
  4. Step 4: Simplify right side
    845,081.67x = 540,077,648,814.47
  5. Step 5: Solve for x
    x = 540,077,648,814.47/845,081.67
  6. Step 6: Final answer
    x = 639,083.38

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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.