Home / 1,643,204.52-2,267,541.27-917,907.84

Finding the Fourth Proportional to 1,643,204.52, 2,267,541.27 and 917,907.84

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Solution

The fourth proportional to 1,643,204.52, 2,267,541.27 and 917,907.84 is: 1,266,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,204.52 : 2,267,541.27 = 917,907.84 : x
  2. Step 2: Convert to fraction form
    1,643,204.52/2,267,541.27 = 917,907.84/x
  3. Step 3: Cross multiply
    1,643,204.52x = 2,267,541.27 × 917,907.84
  4. Step 4: Simplify right side
    1,643,204.52x = 2,081,393,909,256.56
  5. Step 5: Solve for x
    x = 2,081,393,909,256.56/1,643,204.52
  6. Step 6: Final answer
    x = 1,266,667.59

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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.