Home / 1,681,563.15-2,320,606.14-917,665.92

Finding the Fourth Proportional to 1,681,563.15, 2,320,606.14 and 917,665.92

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Solution

The fourth proportional to 1,681,563.15, 2,320,606.14 and 917,665.92 is: 1,266,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,563.15 : 2,320,606.14 = 917,665.92 : x
  2. Step 2: Convert to fraction form
    1,681,563.15/2,320,606.14 = 917,665.92/x
  3. Step 3: Cross multiply
    1,681,563.15x = 2,320,606.14 × 917,665.92
  4. Step 4: Simplify right side
    1,681,563.15x = 2,129,541,168,420.75
  5. Step 5: Solve for x
    x = 2,129,541,168,420.75/1,681,563.15
  6. Step 6: Final answer
    x = 1,266,405.71

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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.