Home / 739,166.40-1,108,749.60-501,220.80

Finding the Fourth Proportional to 739,166.40, 1,108,749.60 and 501,220.80

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Solution

The fourth proportional to 739,166.40, 1,108,749.60 and 501,220.80 is: 751,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,166.40 : 1,108,749.60 = 501,220.80 : x
  2. Step 2: Convert to fraction form
    739,166.40/1,108,749.60 = 501,220.80/x
  3. Step 3: Cross multiply
    739,166.40x = 1,108,749.60 × 501,220.80
  4. Step 4: Simplify right side
    739,166.40x = 555,728,361,511.68
  5. Step 5: Solve for x
    x = 555,728,361,511.68/739,166.40
  6. Step 6: Final answer
    x = 751,831.20

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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.