Home / 531,027.10-796,540.65-426,051.10

Finding the Fourth Proportional to 531,027.10, 796,540.65 and 426,051.10

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Solution

The fourth proportional to 531,027.10, 796,540.65 and 426,051.10 is: 639,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,027.10 : 796,540.65 = 426,051.10 : x
  2. Step 2: Convert to fraction form
    531,027.10/796,540.65 = 426,051.10/x
  3. Step 3: Cross multiply
    531,027.10x = 796,540.65 × 426,051.10
  4. Step 4: Simplify right side
    531,027.10x = 339,367,020,127.22
  5. Step 5: Solve for x
    x = 339,367,020,127.22/531,027.10
  6. Step 6: Final answer
    x = 639,076.65

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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.