Home / 1,384,676.16-2,077,941.98-486,120.54

Finding the Fourth Proportional to 1,384,676.16, 2,077,941.98 and 486,120.54

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Solution

The fourth proportional to 1,384,676.16, 2,077,941.98 and 486,120.54 is: 729,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,676.16 : 2,077,941.98 = 486,120.54 : x
  2. Step 2: Convert to fraction form
    1,384,676.16/2,077,941.98 = 486,120.54/x
  3. Step 3: Cross multiply
    1,384,676.16x = 2,077,941.98 × 486,120.54
  4. Step 4: Simplify right side
    1,384,676.16x = 1,010,130,277,406.27
  5. Step 5: Solve for x
    x = 1,010,130,277,406.27/1,384,676.16
  6. Step 6: Final answer
    x = 729,506.51

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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.