Home / 892,170.92-1,338,518.46-359,417.96

Finding the Fourth Proportional to 892,170.92, 1,338,518.46 and 359,417.96

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Solution

The fourth proportional to 892,170.92, 1,338,518.46 and 359,417.96 is: 539,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,170.92 : 1,338,518.46 = 359,417.96 : x
  2. Step 2: Convert to fraction form
    892,170.92/1,338,518.46 = 359,417.96/x
  3. Step 3: Cross multiply
    892,170.92x = 1,338,518.46 × 359,417.96
  4. Step 4: Simplify right side
    892,170.92x = 481,087,574,315.54
  5. Step 5: Solve for x
    x = 481,087,574,315.54/892,170.92
  6. Step 6: Final answer
    x = 539,232.52

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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.