Home / 1,621,844.40-2,238,054.84-896,649.78

Finding the Fourth Proportional to 1,621,844.40, 2,238,054.84 and 896,649.78

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Solution

The fourth proportional to 1,621,844.40, 2,238,054.84 and 896,649.78 is: 1,237,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,844.40 : 2,238,054.84 = 896,649.78 : x
  2. Step 2: Convert to fraction form
    1,621,844.40/2,238,054.84 = 896,649.78/x
  3. Step 3: Cross multiply
    1,621,844.40x = 2,238,054.84 × 896,649.78
  4. Step 4: Simplify right side
    1,621,844.40x = 2,006,751,379,913.94
  5. Step 5: Solve for x
    x = 2,006,751,379,913.94/1,621,844.40
  6. Step 6: Final answer
    x = 1,237,326.70

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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.