Home / 1,219,651.10-1,831,152.42-621,014.51

Finding the Fourth Proportional to 1,219,651.10, 1,831,152.42 and 621,014.51

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Solution

The fourth proportional to 1,219,651.10, 1,831,152.42 and 621,014.51 is: 932,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,651.10 : 1,831,152.42 = 621,014.51 : x
  2. Step 2: Convert to fraction form
    1,219,651.10/1,831,152.42 = 621,014.51/x
  3. Step 3: Cross multiply
    1,219,651.10x = 1,831,152.42 × 621,014.51
  4. Step 4: Simplify right side
    1,219,651.10x = 1,137,172,222,841.61
  5. Step 5: Solve for x
    x = 1,137,172,222,841.61/1,219,651.10
  6. Step 6: Final answer
    x = 932,375.02

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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.