Home / 1,621,761.62-2,238,077.77-896,656.16

Finding the Fourth Proportional to 1,621,761.62, 2,238,077.77 and 896,656.16

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Solution

The fourth proportional to 1,621,761.62, 2,238,077.77 and 896,656.16 is: 1,237,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,761.62 : 2,238,077.77 = 896,656.16 : x
  2. Step 2: Convert to fraction form
    1,621,761.62/2,238,077.77 = 896,656.16/x
  3. Step 3: Cross multiply
    1,621,761.62x = 2,238,077.77 × 896,656.16
  4. Step 4: Simplify right side
    1,621,761.62x = 2,006,786,222,383.12
  5. Step 5: Solve for x
    x = 2,006,786,222,383.12/1,621,761.62
  6. Step 6: Final answer
    x = 1,237,411.35

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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.