Home / 945,319.94-1,304,557.06-515,600.06

Finding the Fourth Proportional to 945,319.94, 1,304,557.06 and 515,600.06

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Solution

The fourth proportional to 945,319.94, 1,304,557.06 and 515,600.06 is: 711,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,319.94 : 1,304,557.06 = 515,600.06 : x
  2. Step 2: Convert to fraction form
    945,319.94/1,304,557.06 = 515,600.06/x
  3. Step 3: Cross multiply
    945,319.94x = 1,304,557.06 × 515,600.06
  4. Step 4: Simplify right side
    945,319.94x = 672,629,698,409.42
  5. Step 5: Solve for x
    x = 672,629,698,409.42/945,319.94
  6. Step 6: Final answer
    x = 711,536.56

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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.