Home / 1,219,638.98-1,831,134.24-621,002.36

Finding the Fourth Proportional to 1,219,638.98, 1,831,134.24 and 621,002.36

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Solution

The fourth proportional to 1,219,638.98, 1,831,134.24 and 621,002.36 is: 932,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,638.98 : 1,831,134.24 = 621,002.36 : x
  2. Step 2: Convert to fraction form
    1,219,638.98/1,831,134.24 = 621,002.36/x
  3. Step 3: Cross multiply
    1,219,638.98x = 1,831,134.24 × 621,002.36
  4. Step 4: Simplify right side
    1,219,638.98x = 1,137,138,684,516.81
  5. Step 5: Solve for x
    x = 1,137,138,684,516.81/1,219,638.98
  6. Step 6: Final answer
    x = 932,356.79

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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.