Home / 703,311.80-1,054,967.70-230,012.60

Finding the Fourth Proportional to 703,311.80, 1,054,967.70 and 230,012.60

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Solution

The fourth proportional to 703,311.80, 1,054,967.70 and 230,012.60 is: 345,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,311.80 : 1,054,967.70 = 230,012.60 : x
  2. Step 2: Convert to fraction form
    703,311.80/1,054,967.70 = 230,012.60/x
  3. Step 3: Cross multiply
    703,311.80x = 1,054,967.70 × 230,012.60
  4. Step 4: Simplify right side
    703,311.80x = 242,655,863,593.02
  5. Step 5: Solve for x
    x = 242,655,863,593.02/703,311.80
  6. Step 6: Final answer
    x = 345,018.90

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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.