Home / 632,336.35-872,645.04-345,856.45

Finding the Fourth Proportional to 632,336.35, 872,645.04 and 345,856.45

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Solution

The fourth proportional to 632,336.35, 872,645.04 and 345,856.45 is: 477,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,336.35 : 872,645.04 = 345,856.45 : x
  2. Step 2: Convert to fraction form
    632,336.35/872,645.04 = 345,856.45/x
  3. Step 3: Cross multiply
    632,336.35x = 872,645.04 × 345,856.45
  4. Step 4: Simplify right side
    632,336.35x = 301,809,915,644.51
  5. Step 5: Solve for x
    x = 301,809,915,644.51/632,336.35
  6. Step 6: Final answer
    x = 477,293.32

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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.