Home / 1,102,684.20-1,654,220.70-393,124.20

Finding the Fourth Proportional to 1,102,684.20, 1,654,220.70 and 393,124.20

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Solution

The fourth proportional to 1,102,684.20, 1,654,220.70 and 393,124.20 is: 589,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,684.20 : 1,654,220.70 = 393,124.20 : x
  2. Step 2: Convert to fraction form
    1,102,684.20/1,654,220.70 = 393,124.20/x
  3. Step 3: Cross multiply
    1,102,684.20x = 1,654,220.70 × 393,124.20
  4. Step 4: Simplify right side
    1,102,684.20x = 650,314,189,310.94
  5. Step 5: Solve for x
    x = 650,314,189,310.94/1,102,684.20
  6. Step 6: Final answer
    x = 589,755.61

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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.