Home / 872,333.56-1,308,498.71-273,340.60

Finding the Fourth Proportional to 872,333.56, 1,308,498.71 and 273,340.60

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Solution

The fourth proportional to 872,333.56, 1,308,498.71 and 273,340.60 is: 410,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,333.56 : 1,308,498.71 = 273,340.60 : x
  2. Step 2: Convert to fraction form
    872,333.56/1,308,498.71 = 273,340.60/x
  3. Step 3: Cross multiply
    872,333.56x = 1,308,498.71 × 273,340.60
  4. Step 4: Simplify right side
    872,333.56x = 357,665,815,948.13
  5. Step 5: Solve for x
    x = 357,665,815,948.13/872,333.56
  6. Step 6: Final answer
    x = 410,010.38

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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.