Home / 1,643,110.40-2,267,268-917,868.44

Finding the Fourth Proportional to 1,643,110.40, 2,267,268 and 917,868.44

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Solution

The fourth proportional to 1,643,110.40, 2,267,268 and 917,868.44 is: 1,266,533.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,110.40 : 2,267,268 = 917,868.44 : x
  2. Step 2: Convert to fraction form
    1,643,110.40/2,267,268 = 917,868.44/x
  3. Step 3: Cross multiply
    1,643,110.40x = 2,267,268 × 917,868.44
  4. Step 4: Simplify right side
    1,643,110.40x = 2,081,053,742,221.92
  5. Step 5: Solve for x
    x = 2,081,053,742,221.92/1,643,110.40
  6. Step 6: Final answer
    x = 1,266,533.12

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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.