Home / 821,168.64-1,232,416.38-348,186.12

Finding the Fourth Proportional to 821,168.64, 1,232,416.38 and 348,186.12

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Solution

The fourth proportional to 821,168.64, 1,232,416.38 and 348,186.12 is: 522,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,168.64 : 1,232,416.38 = 348,186.12 : x
  2. Step 2: Convert to fraction form
    821,168.64/1,232,416.38 = 348,186.12/x
  3. Step 3: Cross multiply
    821,168.64x = 1,232,416.38 × 348,186.12
  4. Step 4: Simplify right side
    821,168.64x = 429,110,277,576.65
  5. Step 5: Solve for x
    x = 429,110,277,576.65/821,168.64
  6. Step 6: Final answer
    x = 522,560.48

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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.