Home / 632,452.59-872,784.28-345,972.60

Finding the Fourth Proportional to 632,452.59, 872,784.28 and 345,972.60

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Solution

The fourth proportional to 632,452.59, 872,784.28 and 345,972.60 is: 477,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,452.59 : 872,784.28 = 345,972.60 : x
  2. Step 2: Convert to fraction form
    632,452.59/872,784.28 = 345,972.60/x
  3. Step 3: Cross multiply
    632,452.59x = 872,784.28 × 345,972.60
  4. Step 4: Simplify right side
    632,452.59x = 301,959,446,590.73
  5. Step 5: Solve for x
    x = 301,959,446,590.73/632,452.59
  6. Step 6: Final answer
    x = 477,442.03

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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.