Home / 1,183,290.62-1,632,941.59-639,426.45

Finding the Fourth Proportional to 1,183,290.62, 1,632,941.59 and 639,426.45

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Solution

The fourth proportional to 1,183,290.62, 1,632,941.59 and 639,426.45 is: 882,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,290.62 : 1,632,941.59 = 639,426.45 : x
  2. Step 2: Convert to fraction form
    1,183,290.62/1,632,941.59 = 639,426.45/x
  3. Step 3: Cross multiply
    1,183,290.62x = 1,632,941.59 × 639,426.45
  4. Step 4: Simplify right side
    1,183,290.62x = 1,044,146,042,352.49
  5. Step 5: Solve for x
    x = 1,044,146,042,352.49/1,183,290.62
  6. Step 6: Final answer
    x = 882,408.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.