Home / 929,121.60-1,394,143.20-530,068.80

Finding the Fourth Proportional to 929,121.60, 1,394,143.20 and 530,068.80

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Solution

The fourth proportional to 929,121.60, 1,394,143.20 and 530,068.80 is: 795,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,121.60 : 1,394,143.20 = 530,068.80 : x
  2. Step 2: Convert to fraction form
    929,121.60/1,394,143.20 = 530,068.80/x
  3. Step 3: Cross multiply
    929,121.60x = 1,394,143.20 × 530,068.80
  4. Step 4: Simplify right side
    929,121.60x = 738,991,813,052.16
  5. Step 5: Solve for x
    x = 738,991,813,052.16/929,121.60
  6. Step 6: Final answer
    x = 795,366.09

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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.