Home / 513,190.32-708,172.12-283,734.04

Finding the Fourth Proportional to 513,190.32, 708,172.12 and 283,734.04

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Solution

The fourth proportional to 513,190.32, 708,172.12 and 283,734.04 is: 391,536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,190.32 : 708,172.12 = 283,734.04 : x
  2. Step 2: Convert to fraction form
    513,190.32/708,172.12 = 283,734.04/x
  3. Step 3: Cross multiply
    513,190.32x = 708,172.12 × 283,734.04
  4. Step 4: Simplify right side
    513,190.32x = 200,932,536,622.97
  5. Step 5: Solve for x
    x = 200,932,536,622.97/513,190.32
  6. Step 6: Final answer
    x = 391,536.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.