Home / 1,175,433.76-1,622,098.32-638,889.76

Finding the Fourth Proportional to 1,175,433.76, 1,622,098.32 and 638,889.76

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Solution

The fourth proportional to 1,175,433.76, 1,622,098.32 and 638,889.76 is: 881,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,433.76 : 1,622,098.32 = 638,889.76 : x
  2. Step 2: Convert to fraction form
    1,175,433.76/1,622,098.32 = 638,889.76/x
  3. Step 3: Cross multiply
    1,175,433.76x = 1,622,098.32 × 638,889.76
  4. Step 4: Simplify right side
    1,175,433.76x = 1,036,342,006,361.20
  5. Step 5: Solve for x
    x = 1,036,342,006,361.20/1,175,433.76
  6. Step 6: Final answer
    x = 881,667.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.