Home / 744,093.72-1,026,884.43-421,810.08

Finding the Fourth Proportional to 744,093.72, 1,026,884.43 and 421,810.08

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Solution

The fourth proportional to 744,093.72, 1,026,884.43 and 421,810.08 is: 582,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,093.72 : 1,026,884.43 = 421,810.08 : x
  2. Step 2: Convert to fraction form
    744,093.72/1,026,884.43 = 421,810.08/x
  3. Step 3: Cross multiply
    744,093.72x = 1,026,884.43 × 421,810.08
  4. Step 4: Simplify right side
    744,093.72x = 433,150,203,569.05
  5. Step 5: Solve for x
    x = 433,150,203,569.05/744,093.72
  6. Step 6: Final answer
    x = 582,117.81

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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.