Home / 1,269,619.41-1,904,422.74-449,566.40

Finding the Fourth Proportional to 1,269,619.41, 1,904,422.74 and 449,566.40

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Solution

The fourth proportional to 1,269,619.41, 1,904,422.74 and 449,566.40 is: 674,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,619.41 : 1,904,422.74 = 449,566.40 : x
  2. Step 2: Convert to fraction form
    1,269,619.41/1,904,422.74 = 449,566.40/x
  3. Step 3: Cross multiply
    1,269,619.41x = 1,904,422.74 × 449,566.40
  4. Step 4: Simplify right side
    1,269,619.41x = 856,164,480,903.93
  5. Step 5: Solve for x
    x = 856,164,480,903.93/1,269,619.41
  6. Step 6: Final answer
    x = 674,347.35

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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.