Home / 783,722.60-1,175,583.90-192,746.60

Finding the Fourth Proportional to 783,722.60, 1,175,583.90 and 192,746.60

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Solution

The fourth proportional to 783,722.60, 1,175,583.90 and 192,746.60 is: 289,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,722.60 : 1,175,583.90 = 192,746.60 : x
  2. Step 2: Convert to fraction form
    783,722.60/1,175,583.90 = 192,746.60/x
  3. Step 3: Cross multiply
    783,722.60x = 1,175,583.90 × 192,746.60
  4. Step 4: Simplify right side
    783,722.60x = 226,589,799,739.74
  5. Step 5: Solve for x
    x = 226,589,799,739.74/783,722.60
  6. Step 6: Final answer
    x = 289,119.90

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Similar ratio
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1.5x scale

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.