Home / 830,706.88-1,246,042.44-231,652.12

Finding the Fourth Proportional to 830,706.88, 1,246,042.44 and 231,652.12

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Solution

The fourth proportional to 830,706.88, 1,246,042.44 and 231,652.12 is: 347,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,706.88 : 1,246,042.44 = 231,652.12 : x
  2. Step 2: Convert to fraction form
    830,706.88/1,246,042.44 = 231,652.12/x
  3. Step 3: Cross multiply
    830,706.88x = 1,246,042.44 × 231,652.12
  4. Step 4: Simplify right side
    830,706.88x = 288,648,372,835.97
  5. Step 5: Solve for x
    x = 288,648,372,835.97/830,706.88
  6. Step 6: Final answer
    x = 347,473.19

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Double scale
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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.