Home / 744,095.97-1,026,887.54-421,812.33

Finding the Fourth Proportional to 744,095.97, 1,026,887.54 and 421,812.33

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Solution

The fourth proportional to 744,095.97, 1,026,887.54 and 421,812.33 is: 582,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,095.97 : 1,026,887.54 = 421,812.33 : x
  2. Step 2: Convert to fraction form
    744,095.97/1,026,887.54 = 421,812.33/x
  3. Step 3: Cross multiply
    744,095.97x = 1,026,887.54 × 421,812.33
  4. Step 4: Simplify right side
    744,095.97x = 433,153,823,786.31
  5. Step 5: Solve for x
    x = 433,153,823,786.31/744,095.97
  6. Step 6: Final answer
    x = 582,120.91

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1.5x scale

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.