Home / 698,313.96-1,047,279.78-192,754.08

Finding the Fourth Proportional to 698,313.96, 1,047,279.78 and 192,754.08

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Solution

The fourth proportional to 698,313.96, 1,047,279.78 and 192,754.08 is: 289,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,313.96 : 1,047,279.78 = 192,754.08 : x
  2. Step 2: Convert to fraction form
    698,313.96/1,047,279.78 = 192,754.08/x
  3. Step 3: Cross multiply
    698,313.96x = 1,047,279.78 × 192,754.08
  4. Step 4: Simplify right side
    698,313.96x = 201,867,450,496.50
  5. Step 5: Solve for x
    x = 201,867,450,496.50/698,313.96
  6. Step 6: Final answer
    x = 289,078.35

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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.