Home / 658,215.20-923,989.60-658,215.20

Finding the Fourth Proportional to 658,215.20, 923,989.60 and 658,215.20

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Solution

The fourth proportional to 658,215.20, 923,989.60 and 658,215.20 is: 923,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,215.20 : 923,989.60 = 658,215.20 : x
  2. Step 2: Convert to fraction form
    658,215.20/923,989.60 = 658,215.20/x
  3. Step 3: Cross multiply
    658,215.20x = 923,989.60 × 658,215.20
  4. Step 4: Simplify right side
    658,215.20x = 608,183,999,361.92
  5. Step 5: Solve for x
    x = 608,183,999,361.92/658,215.20
  6. Step 6: Final answer
    x = 923,989.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.