Home / 1,076,842.80-1,614,972.60-318,682.80

Finding the Fourth Proportional to 1,076,842.80, 1,614,972.60 and 318,682.80

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Solution

The fourth proportional to 1,076,842.80, 1,614,972.60 and 318,682.80 is: 477,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,842.80 : 1,614,972.60 = 318,682.80 : x
  2. Step 2: Convert to fraction form
    1,076,842.80/1,614,972.60 = 318,682.80/x
  3. Step 3: Cross multiply
    1,076,842.80x = 1,614,972.60 × 318,682.80
  4. Step 4: Simplify right side
    1,076,842.80x = 514,663,990,091.28
  5. Step 5: Solve for x
    x = 514,663,990,091.28/1,076,842.80
  6. Step 6: Final answer
    x = 477,937.90

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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.