Home / 1,422,941.75-2,134,103.48-450,381.65

Finding the Fourth Proportional to 1,422,941.75, 2,134,103.48 and 450,381.65

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Solution

The fourth proportional to 1,422,941.75, 2,134,103.48 and 450,381.65 is: 675,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,941.75 : 2,134,103.48 = 450,381.65 : x
  2. Step 2: Convert to fraction form
    1,422,941.75/2,134,103.48 = 450,381.65/x
  3. Step 3: Cross multiply
    1,422,941.75x = 2,134,103.48 × 450,381.65
  4. Step 4: Simplify right side
    1,422,941.75x = 961,161,051,365.42
  5. Step 5: Solve for x
    x = 961,161,051,365.42/1,422,941.75
  6. Step 6: Final answer
    x = 675,474.63

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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.