Home / 459,817.54-634,188.73-298,724.50

Finding the Fourth Proportional to 459,817.54, 634,188.73 and 298,724.50

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Solution

The fourth proportional to 459,817.54, 634,188.73 and 298,724.50 is: 412,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,817.54 : 634,188.73 = 298,724.50 : x
  2. Step 2: Convert to fraction form
    459,817.54/634,188.73 = 298,724.50/x
  3. Step 3: Cross multiply
    459,817.54x = 634,188.73 × 298,724.50
  4. Step 4: Simplify right side
    459,817.54x = 189,447,708,313.61
  5. Step 5: Solve for x
    x = 189,447,708,313.61/459,817.54
  6. Step 6: Final answer
    x = 412,006.26

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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.