Home / 1,681,454.16-2,321,004.96-993,128.64

Finding the Fourth Proportional to 1,681,454.16, 2,321,004.96 and 993,128.64

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Solution

The fourth proportional to 1,681,454.16, 2,321,004.96 and 993,128.64 is: 1,370,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,454.16 : 2,321,004.96 = 993,128.64 : x
  2. Step 2: Convert to fraction form
    1,681,454.16/2,321,004.96 = 993,128.64/x
  3. Step 3: Cross multiply
    1,681,454.16x = 2,321,004.96 × 993,128.64
  4. Step 4: Simplify right side
    1,681,454.16x = 2,305,056,499,358.05
  5. Step 5: Solve for x
    x = 2,305,056,499,358.05/1,681,454.16
  6. Step 6: Final answer
    x = 1,370,870.85

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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.