Home / 651,409.95-898,945.82-361,040.27

Finding the Fourth Proportional to 651,409.95, 898,945.82 and 361,040.27

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Solution

The fourth proportional to 651,409.95, 898,945.82 and 361,040.27 is: 498,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,409.95 : 898,945.82 = 361,040.27 : x
  2. Step 2: Convert to fraction form
    651,409.95/898,945.82 = 361,040.27/x
  3. Step 3: Cross multiply
    651,409.95x = 898,945.82 × 361,040.27
  4. Step 4: Simplify right side
    651,409.95x = 324,555,636,622.14
  5. Step 5: Solve for x
    x = 324,555,636,622.14/651,409.95
  6. Step 6: Final answer
    x = 498,235.61

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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.