Home / 331,824.60-497,736.90-328,714.20

Finding the Fourth Proportional to 331,824.60, 497,736.90 and 328,714.20

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Solution

The fourth proportional to 331,824.60, 497,736.90 and 328,714.20 is: 493,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,824.60 : 497,736.90 = 328,714.20 : x
  2. Step 2: Convert to fraction form
    331,824.60/497,736.90 = 328,714.20/x
  3. Step 3: Cross multiply
    331,824.60x = 497,736.90 × 328,714.20
  4. Step 4: Simplify right side
    331,824.60x = 163,613,186,893.98
  5. Step 5: Solve for x
    x = 163,613,186,893.98/331,824.60
  6. Step 6: Final answer
    x = 493,071.30

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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.