Home / 1,122,861.96-1,684,959.93-413,388.18

Finding the Fourth Proportional to 1,122,861.96, 1,684,959.93 and 413,388.18

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Solution

The fourth proportional to 1,122,861.96, 1,684,959.93 and 413,388.18 is: 620,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,861.96 : 1,684,959.93 = 413,388.18 : x
  2. Step 2: Convert to fraction form
    1,122,861.96/1,684,959.93 = 413,388.18/x
  3. Step 3: Cross multiply
    1,122,861.96x = 1,684,959.93 × 413,388.18
  4. Step 4: Simplify right side
    1,122,861.96x = 696,542,518,835.63
  5. Step 5: Solve for x
    x = 696,542,518,835.63/1,122,861.96
  6. Step 6: Final answer
    x = 620,327.83

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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.