Home / 741,151.20-1,112,245.20-475,557.60

Finding the Fourth Proportional to 741,151.20, 1,112,245.20 and 475,557.60

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Solution

The fourth proportional to 741,151.20, 1,112,245.20 and 475,557.60 is: 713,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,151.20 : 1,112,245.20 = 475,557.60 : x
  2. Step 2: Convert to fraction form
    741,151.20/1,112,245.20 = 475,557.60/x
  3. Step 3: Cross multiply
    741,151.20x = 1,112,245.20 × 475,557.60
  4. Step 4: Simplify right side
    741,151.20x = 528,936,657,923.52
  5. Step 5: Solve for x
    x = 528,936,657,923.52/741,151.20
  6. Step 6: Final answer
    x = 713,669.03

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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.