Home / 703,478.57-1,055,218.26-494,051.45

Finding the Fourth Proportional to 703,478.57, 1,055,218.26 and 494,051.45

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Solution

The fourth proportional to 703,478.57, 1,055,218.26 and 494,051.45 is: 741,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,478.57 : 1,055,218.26 = 494,051.45 : x
  2. Step 2: Convert to fraction form
    703,478.57/1,055,218.26 = 494,051.45/x
  3. Step 3: Cross multiply
    703,478.57x = 1,055,218.26 × 494,051.45
  4. Step 4: Simplify right side
    703,478.57x = 521,332,111,419.48
  5. Step 5: Solve for x
    x = 521,332,111,419.48/703,478.57
  6. Step 6: Final answer
    x = 741,077.46

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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.