Home / 459,814.82-689,093.46-347,403.02

Finding the Fourth Proportional to 459,814.82, 689,093.46 and 347,403.02

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Solution

The fourth proportional to 459,814.82, 689,093.46 and 347,403.02 is: 520,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,814.82 : 689,093.46 = 347,403.02 : x
  2. Step 2: Convert to fraction form
    459,814.82/689,093.46 = 347,403.02/x
  3. Step 3: Cross multiply
    459,814.82x = 689,093.46 × 347,403.02
  4. Step 4: Simplify right side
    459,814.82x = 239,393,145,620.78
  5. Step 5: Solve for x
    x = 239,393,145,620.78/459,814.82
  6. Step 6: Final answer
    x = 520,629.47

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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.