Home / 1,621,665.32-2,237,883.54-896,531.48

Finding the Fourth Proportional to 1,621,665.32, 2,237,883.54 and 896,531.48

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Solution

The fourth proportional to 1,621,665.32, 2,237,883.54 and 896,531.48 is: 1,237,205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,665.32 : 2,237,883.54 = 896,531.48 : x
  2. Step 2: Convert to fraction form
    1,621,665.32/2,237,883.54 = 896,531.48/x
  3. Step 3: Cross multiply
    1,621,665.32x = 2,237,883.54 × 896,531.48
  4. Step 4: Simplify right side
    1,621,665.32x = 2,006,333,042,183.84
  5. Step 5: Solve for x
    x = 2,006,333,042,183.84/1,621,665.32
  6. Step 6: Final answer
    x = 1,237,205.37

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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.