Home / 1,219,650.22-1,831,151.12-621,013.64

Finding the Fourth Proportional to 1,219,650.22, 1,831,151.12 and 621,013.64

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Solution

The fourth proportional to 1,219,650.22, 1,831,151.12 and 621,013.64 is: 932,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,650.22 : 1,831,151.12 = 621,013.64 : x
  2. Step 2: Convert to fraction form
    1,219,650.22/1,831,151.12 = 621,013.64/x
  3. Step 3: Cross multiply
    1,219,650.22x = 1,831,151.12 × 621,013.64
  4. Step 4: Simplify right side
    1,219,650.22x = 1,137,169,823,894.09
  5. Step 5: Solve for x
    x = 1,137,169,823,894.09/1,219,650.22
  6. Step 6: Final answer
    x = 932,373.73

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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.