Home / 1,646,903.88-2,468,643.09-636,719.64

Finding the Fourth Proportional to 1,646,903.88, 2,468,643.09 and 636,719.64

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Solution

The fourth proportional to 1,646,903.88, 2,468,643.09 and 636,719.64 is: 954,417.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646,903.88 : 2,468,643.09 = 636,719.64 : x
  2. Step 2: Convert to fraction form
    1,646,903.88/2,468,643.09 = 636,719.64/x
  3. Step 3: Cross multiply
    1,646,903.88x = 2,468,643.09 × 636,719.64
  4. Step 4: Simplify right side
    1,646,903.88x = 1,571,833,539,553.29
  5. Step 5: Solve for x
    x = 1,571,833,539,553.29/1,646,903.88
  6. Step 6: Final answer
    x = 954,417.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.