Home / 789,522.14-1,184,272.20-190,478.24

Finding the Fourth Proportional to 789,522.14, 1,184,272.20 and 190,478.24

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Solution

The fourth proportional to 789,522.14, 1,184,272.20 and 190,478.24 is: 285,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,522.14 : 1,184,272.20 = 190,478.24 : x
  2. Step 2: Convert to fraction form
    789,522.14/1,184,272.20 = 190,478.24/x
  3. Step 3: Cross multiply
    789,522.14x = 1,184,272.20 × 190,478.24
  4. Step 4: Simplify right side
    789,522.14x = 225,578,078,415.57
  5. Step 5: Solve for x
    x = 225,578,078,415.57/789,522.14
  6. Step 6: Final answer
    x = 285,714.70

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Double scale
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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.