Home / 493,260.60-740,085.30-193,690.20

Finding the Fourth Proportional to 493,260.60, 740,085.30 and 193,690.20

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Solution

The fourth proportional to 493,260.60, 740,085.30 and 193,690.20 is: 290,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,260.60 : 740,085.30 = 193,690.20 : x
  2. Step 2: Convert to fraction form
    493,260.60/740,085.30 = 193,690.20/x
  3. Step 3: Cross multiply
    493,260.60x = 740,085.30 × 193,690.20
  4. Step 4: Simplify right side
    493,260.60x = 143,347,269,774.06
  5. Step 5: Solve for x
    x = 143,347,269,774.06/493,260.60
  6. Step 6: Final answer
    x = 290,611.64

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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.