Home / 703,478.51-1,055,218.16-494,051.39

Finding the Fourth Proportional to 703,478.51, 1,055,218.16 and 494,051.39

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Solution

The fourth proportional to 703,478.51, 1,055,218.16 and 494,051.39 is: 741,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,478.51 : 1,055,218.16 = 494,051.39 : x
  2. Step 2: Convert to fraction form
    703,478.51/1,055,218.16 = 494,051.39/x
  3. Step 3: Cross multiply
    703,478.51x = 1,055,218.16 × 494,051.39
  4. Step 4: Simplify right side
    703,478.51x = 521,331,990,954.90
  5. Step 5: Solve for x
    x = 521,331,990,954.90/703,478.51
  6. Step 6: Final answer
    x = 741,077.36

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.