Home / 845,456.36-1,166,705.64-482,872.73

Finding the Fourth Proportional to 845,456.36, 1,166,705.64 and 482,872.73

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Solution

The fourth proportional to 845,456.36, 1,166,705.64 and 482,872.73 is: 666,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,456.36 : 1,166,705.64 = 482,872.73 : x
  2. Step 2: Convert to fraction form
    845,456.36/1,166,705.64 = 482,872.73/x
  3. Step 3: Cross multiply
    845,456.36x = 1,166,705.64 × 482,872.73
  4. Step 4: Simplify right side
    845,456.36x = 563,370,331,659.67
  5. Step 5: Solve for x
    x = 563,370,331,659.67/845,456.36
  6. Step 6: Final answer
    x = 666,350.58

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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.