Home / 632,202.48-872,439.39-345,722.76

Finding the Fourth Proportional to 632,202.48, 872,439.39 and 345,722.76

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Solution

The fourth proportional to 632,202.48, 872,439.39 and 345,722.76 is: 477,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,202.48 : 872,439.39 = 345,722.76 : x
  2. Step 2: Convert to fraction form
    632,202.48/872,439.39 = 345,722.76/x
  3. Step 3: Cross multiply
    632,202.48x = 872,439.39 × 345,722.76
  4. Step 4: Simplify right side
    632,202.48x = 301,622,153,843.52
  5. Step 5: Solve for x
    x = 301,622,153,843.52/632,202.48
  6. Step 6: Final answer
    x = 477,097.39

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Half scale
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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.