Home / 1,492,013.78-2,238,457.38-481,115.41

Finding the Fourth Proportional to 1,492,013.78, 2,238,457.38 and 481,115.41

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Solution

The fourth proportional to 1,492,013.78, 2,238,457.38 and 481,115.41 is: 721,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,013.78 : 2,238,457.38 = 481,115.41 : x
  2. Step 2: Convert to fraction form
    1,492,013.78/2,238,457.38 = 481,115.41/x
  3. Step 3: Cross multiply
    1,492,013.78x = 2,238,457.38 × 481,115.41
  4. Step 4: Simplify right side
    1,492,013.78x = 1,076,956,328,953.94
  5. Step 5: Solve for x
    x = 1,076,956,328,953.94/1,492,013.78
  6. Step 6: Final answer
    x = 721,813.93

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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.