Home / 1,644,480.64-2,269,400.16-919,368.64

Finding the Fourth Proportional to 1,644,480.64, 2,269,400.16 and 919,368.64

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Solution

The fourth proportional to 1,644,480.64, 2,269,400.16 and 919,368.64 is: 1,268,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,480.64 : 2,269,400.16 = 919,368.64 : x
  2. Step 2: Convert to fraction form
    1,644,480.64/2,269,400.16 = 919,368.64/x
  3. Step 3: Cross multiply
    1,644,480.64x = 2,269,400.16 × 919,368.64
  4. Step 4: Simplify right side
    1,644,480.64x = 2,086,415,338,714.98
  5. Step 5: Solve for x
    x = 2,086,415,338,714.98/1,644,480.64
  6. Step 6: Final answer
    x = 1,268,738.16

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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.