Home / 962,374.70-1,328,138.73-554,469.12

Finding the Fourth Proportional to 962,374.70, 1,328,138.73 and 554,469.12

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Solution

The fourth proportional to 962,374.70, 1,328,138.73 and 554,469.12 is: 765,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,374.70 : 1,328,138.73 = 554,469.12 : x
  2. Step 2: Convert to fraction form
    962,374.70/1,328,138.73 = 554,469.12/x
  3. Step 3: Cross multiply
    962,374.70x = 1,328,138.73 × 554,469.12
  4. Step 4: Simplify right side
    962,374.70x = 736,411,912,861.02
  5. Step 5: Solve for x
    x = 736,411,912,861.02/962,374.70
  6. Step 6: Final answer
    x = 765,202.90

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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.