Home / 623,845.32-860,902.20-337,361.28

Finding the Fourth Proportional to 623,845.32, 860,902.20 and 337,361.28

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Solution

The fourth proportional to 623,845.32, 860,902.20 and 337,361.28 is: 465,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,845.32 : 860,902.20 = 337,361.28 : x
  2. Step 2: Convert to fraction form
    623,845.32/860,902.20 = 337,361.28/x
  3. Step 3: Cross multiply
    623,845.32x = 860,902.20 × 337,361.28
  4. Step 4: Simplify right side
    623,845.32x = 290,435,068,146.82
  5. Step 5: Solve for x
    x = 290,435,068,146.82/623,845.32
  6. Step 6: Final answer
    x = 465,556.22

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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.