Home / 1,384,666.20-2,077,927.07-486,110.60

Finding the Fourth Proportional to 1,384,666.20, 2,077,927.07 and 486,110.60

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Solution

The fourth proportional to 1,384,666.20, 2,077,927.07 and 486,110.60 is: 729,491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,666.20 : 2,077,927.07 = 486,110.60 : x
  2. Step 2: Convert to fraction form
    1,384,666.20/2,077,927.07 = 486,110.60/x
  3. Step 3: Cross multiply
    1,384,666.20x = 2,077,927.07 × 486,110.60
  4. Step 4: Simplify right side
    1,384,666.20x = 1,010,102,374,753.94
  5. Step 5: Solve for x
    x = 1,010,102,374,753.94/1,384,666.20
  6. Step 6: Final answer
    x = 729,491.61

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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.