Home / 1,445,134.86-1,994,286.13-800,596.80

Finding the Fourth Proportional to 1,445,134.86, 1,994,286.13 and 800,596.80

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Solution

The fourth proportional to 1,445,134.86, 1,994,286.13 and 800,596.80 is: 1,104,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,134.86 : 1,994,286.13 = 800,596.80 : x
  2. Step 2: Convert to fraction form
    1,445,134.86/1,994,286.13 = 800,596.80/x
  3. Step 3: Cross multiply
    1,445,134.86x = 1,994,286.13 × 800,596.80
  4. Step 4: Simplify right side
    1,445,134.86x = 1,596,619,093,962.38
  5. Step 5: Solve for x
    x = 1,596,619,093,962.38/1,445,134.86
  6. Step 6: Final answer
    x = 1,104,823.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.