Home / 1,171,561.86-1,617,099.08-681,646.64

Finding the Fourth Proportional to 1,171,561.86, 1,617,099.08 and 681,646.64

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Solution

The fourth proportional to 1,171,561.86, 1,617,099.08 and 681,646.64 is: 940,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,561.86 : 1,617,099.08 = 681,646.64 : x
  2. Step 2: Convert to fraction form
    1,171,561.86/1,617,099.08 = 681,646.64/x
  3. Step 3: Cross multiply
    1,171,561.86x = 1,617,099.08 × 681,646.64
  4. Step 4: Simplify right side
    1,171,561.86x = 1,102,290,142,935.36
  5. Step 5: Solve for x
    x = 1,102,290,142,935.36/1,171,561.86
  6. Step 6: Final answer
    x = 940,872.34

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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.