Home / 277,290.04-415,918.66-77,606

Finding the Fourth Proportional to 277,290.04, 415,918.66 and 77,606

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Solution

The fourth proportional to 277,290.04, 415,918.66 and 77,606 is: 116,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,290.04 : 415,918.66 = 77,606 : x
  2. Step 2: Convert to fraction form
    277,290.04/415,918.66 = 77,606/x
  3. Step 3: Cross multiply
    277,290.04x = 415,918.66 × 77,606
  4. Step 4: Simplify right side
    277,290.04x = 32,277,783,527.96
  5. Step 5: Solve for x
    x = 32,277,783,527.96/277,290.04
  6. Step 6: Final answer
    x = 116,404.41

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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.