Home / 706,741.14-1,057,436.62-418,707.48

Finding the Fourth Proportional to 706,741.14, 1,057,436.62 and 418,707.48

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Solution

The fourth proportional to 706,741.14, 1,057,436.62 and 418,707.48 is: 626,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,741.14 : 1,057,436.62 = 418,707.48 : x
  2. Step 2: Convert to fraction form
    706,741.14/1,057,436.62 = 418,707.48/x
  3. Step 3: Cross multiply
    706,741.14x = 1,057,436.62 × 418,707.48
  4. Step 4: Simplify right side
    706,741.14x = 442,756,622,419.92
  5. Step 5: Solve for x
    x = 442,756,622,419.92/706,741.14
  6. Step 6: Final answer
    x = 626,476.37

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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.