Home / 459,899.88-634,617.84-339,106.38

Finding the Fourth Proportional to 459,899.88, 634,617.84 and 339,106.38

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Solution

The fourth proportional to 459,899.88, 634,617.84 and 339,106.38 is: 467,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,899.88 : 634,617.84 = 339,106.38 : x
  2. Step 2: Convert to fraction form
    459,899.88/634,617.84 = 339,106.38/x
  3. Step 3: Cross multiply
    459,899.88x = 634,617.84 × 339,106.38
  4. Step 4: Simplify right side
    459,899.88x = 215,202,958,405.82
  5. Step 5: Solve for x
    x = 215,202,958,405.82/459,899.88
  6. Step 6: Final answer
    x = 467,934.37

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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.