Home / 697,720.92-1,046,394.54-192,161.76

Finding the Fourth Proportional to 697,720.92, 1,046,394.54 and 192,161.76

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Solution

The fourth proportional to 697,720.92, 1,046,394.54 and 192,161.76 is: 288,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,720.92 : 1,046,394.54 = 192,161.76 : x
  2. Step 2: Convert to fraction form
    697,720.92/1,046,394.54 = 192,161.76/x
  3. Step 3: Cross multiply
    697,720.92x = 1,046,394.54 × 192,161.76
  4. Step 4: Simplify right side
    697,720.92x = 201,077,016,460.79
  5. Step 5: Solve for x
    x = 201,077,016,460.79/697,720.92
  6. Step 6: Final answer
    x = 288,191.18

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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.