Home / 698,161.68-1,047,302.56-192,722.72

Finding the Fourth Proportional to 698,161.68, 1,047,302.56 and 192,722.72

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Solution

The fourth proportional to 698,161.68, 1,047,302.56 and 192,722.72 is: 289,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,161.68 : 1,047,302.56 = 192,722.72 : x
  2. Step 2: Convert to fraction form
    698,161.68/1,047,302.56 = 192,722.72/x
  3. Step 3: Cross multiply
    698,161.68x = 1,047,302.56 × 192,722.72
  4. Step 4: Simplify right side
    698,161.68x = 201,838,998,026.16
  5. Step 5: Solve for x
    x = 201,838,998,026.16/698,161.68
  6. Step 6: Final answer
    x = 289,100.65

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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.