Home / 1,681,563.14-2,320,606.14-917,665.90

Finding the Fourth Proportional to 1,681,563.14, 2,320,606.14 and 917,665.90

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Solution

The fourth proportional to 1,681,563.14, 2,320,606.14 and 917,665.90 is: 1,266,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,563.14 : 2,320,606.14 = 917,665.90 : x
  2. Step 2: Convert to fraction form
    1,681,563.14/2,320,606.14 = 917,665.90/x
  3. Step 3: Cross multiply
    1,681,563.14x = 2,320,606.14 × 917,665.90
  4. Step 4: Simplify right side
    1,681,563.14x = 2,129,541,122,008.63
  5. Step 5: Solve for x
    x = 2,129,541,122,008.63/1,681,563.14
  6. Step 6: Final answer
    x = 1,266,405.69

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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.