Home / 698,314.95-1,047,451.71-192,906.34

Finding the Fourth Proportional to 698,314.95, 1,047,451.71 and 192,906.34

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Solution

The fourth proportional to 698,314.95, 1,047,451.71 and 192,906.34 is: 289,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,314.95 : 1,047,451.71 = 192,906.34 : x
  2. Step 2: Convert to fraction form
    698,314.95/1,047,451.71 = 192,906.34/x
  3. Step 3: Cross multiply
    698,314.95x = 1,047,451.71 × 192,906.34
  4. Step 4: Simplify right side
    698,314.95x = 202,060,073,084.21
  5. Step 5: Solve for x
    x = 202,060,073,084.21/698,314.95
  6. Step 6: Final answer
    x = 289,353.78

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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.