Home / 459,902.46-634,122.39-314,778.15

Finding the Fourth Proportional to 459,902.46, 634,122.39 and 314,778.15

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Solution

The fourth proportional to 459,902.46, 634,122.39 and 314,778.15 is: 434,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,902.46 : 634,122.39 = 314,778.15 : x
  2. Step 2: Convert to fraction form
    459,902.46/634,122.39 = 314,778.15/x
  3. Step 3: Cross multiply
    459,902.46x = 634,122.39 × 314,778.15
  4. Step 4: Simplify right side
    459,902.46x = 199,607,872,797.78
  5. Step 5: Solve for x
    x = 199,607,872,797.78/459,902.46
  6. Step 6: Final answer
    x = 434,022.19

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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.