Home / 1,076,563.54-1,615,161.11-318,425

Finding the Fourth Proportional to 1,076,563.54, 1,615,161.11 and 318,425

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Solution

The fourth proportional to 1,076,563.54, 1,615,161.11 and 318,425 is: 477,730.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,563.54 : 1,615,161.11 = 318,425 : x
  2. Step 2: Convert to fraction form
    1,076,563.54/1,615,161.11 = 318,425/x
  3. Step 3: Cross multiply
    1,076,563.54x = 1,615,161.11 × 318,425
  4. Step 4: Simplify right side
    1,076,563.54x = 514,307,676,451.75
  5. Step 5: Solve for x
    x = 514,307,676,451.75/1,076,563.54
  6. Step 6: Final answer
    x = 477,730.91

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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.