Home / 700,651.74-966,844.35-394,711.50

Finding the Fourth Proportional to 700,651.74, 966,844.35 and 394,711.50

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Solution

The fourth proportional to 700,651.74, 966,844.35 and 394,711.50 is: 544,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,651.74 : 966,844.35 = 394,711.50 : x
  2. Step 2: Convert to fraction form
    700,651.74/966,844.35 = 394,711.50/x
  3. Step 3: Cross multiply
    700,651.74x = 966,844.35 × 394,711.50
  4. Step 4: Simplify right side
    700,651.74x = 381,624,583,655.03
  5. Step 5: Solve for x
    x = 381,624,583,655.03/700,651.74
  6. Step 6: Final answer
    x = 544,670.86

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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.