Home / 786,983.60-1,179,892.20-337,336.40

Finding the Fourth Proportional to 786,983.60, 1,179,892.20 and 337,336.40

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Solution

The fourth proportional to 786,983.60, 1,179,892.20 and 337,336.40 is: 505,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,983.60 : 1,179,892.20 = 337,336.40 : x
  2. Step 2: Convert to fraction form
    786,983.60/1,179,892.20 = 337,336.40/x
  3. Step 3: Cross multiply
    786,983.60x = 1,179,892.20 × 337,336.40
  4. Step 4: Simplify right side
    786,983.60x = 398,020,587,136.08
  5. Step 5: Solve for x
    x = 398,020,587,136.08/786,983.60
  6. Step 6: Final answer
    x = 505,754.61

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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.