Home / 697,408.96-1,046,113.44-198,760

Finding the Fourth Proportional to 697,408.96, 1,046,113.44 and 198,760

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Solution

The fourth proportional to 697,408.96, 1,046,113.44 and 198,760 is: 298,140

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,408.96 : 1,046,113.44 = 198,760 : x
  2. Step 2: Convert to fraction form
    697,408.96/1,046,113.44 = 198,760/x
  3. Step 3: Cross multiply
    697,408.96x = 1,046,113.44 × 198,760
  4. Step 4: Simplify right side
    697,408.96x = 207,925,507,334.40
  5. Step 5: Solve for x
    x = 207,925,507,334.40/697,408.96
  6. Step 6: Final answer
    x = 298,140

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.