Home / 632,213.48-872,454.57-345,733.76

Finding the Fourth Proportional to 632,213.48, 872,454.57 and 345,733.76

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Solution

The fourth proportional to 632,213.48, 872,454.57 and 345,733.76 is: 477,112.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,213.48 : 872,454.57 = 345,733.76 : x
  2. Step 2: Convert to fraction form
    632,213.48/872,454.57 = 345,733.76/x
  3. Step 3: Cross multiply
    632,213.48x = 872,454.57 × 345,733.76
  4. Step 4: Simplify right side
    632,213.48x = 301,636,998,915.28
  5. Step 5: Solve for x
    x = 301,636,998,915.28/632,213.48
  6. Step 6: Final answer
    x = 477,112.57

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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.