Home / 1,157,268.75-1,596,960.41-640,992.03

Finding the Fourth Proportional to 1,157,268.75, 1,596,960.41 and 640,992.03

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Solution

The fourth proportional to 1,157,268.75, 1,596,960.41 and 640,992.03 is: 884,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,268.75 : 1,596,960.41 = 640,992.03 : x
  2. Step 2: Convert to fraction form
    1,157,268.75/1,596,960.41 = 640,992.03/x
  3. Step 3: Cross multiply
    1,157,268.75x = 1,596,960.41 × 640,992.03
  4. Step 4: Simplify right side
    1,157,268.75x = 1,023,638,891,830.57
  5. Step 5: Solve for x
    x = 1,023,638,891,830.57/1,157,268.75
  6. Step 6: Final answer
    x = 884,529.97

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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.