Home / 340,623.60-511,518.60-222,817.20

Finding the Fourth Proportional to 340,623.60, 511,518.60 and 222,817.20

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Solution

The fourth proportional to 340,623.60, 511,518.60 and 222,817.20 is: 334,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,623.60 : 511,518.60 = 222,817.20 : x
  2. Step 2: Convert to fraction form
    340,623.60/511,518.60 = 222,817.20/x
  3. Step 3: Cross multiply
    340,623.60x = 511,518.60 × 222,817.20
  4. Step 4: Simplify right side
    340,623.60x = 113,975,142,199.92
  5. Step 5: Solve for x
    x = 113,975,142,199.92/340,623.60
  6. Step 6: Final answer
    x = 334,607.30

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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.