Home / 632,227.76-872,481.19-345,741.69

Finding the Fourth Proportional to 632,227.76, 872,481.19 and 345,741.69

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Solution

The fourth proportional to 632,227.76, 872,481.19 and 345,741.69 is: 477,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,227.76 : 872,481.19 = 345,741.69 : x
  2. Step 2: Convert to fraction form
    632,227.76/872,481.19 = 345,741.69/x
  3. Step 3: Cross multiply
    632,227.76x = 872,481.19 × 345,741.69
  4. Step 4: Simplify right side
    632,227.76x = 301,653,121,123.81
  5. Step 5: Solve for x
    x = 301,653,121,123.81/632,227.76
  6. Step 6: Final answer
    x = 477,127.30

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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.