Home / 405,977.37-560,051.52-268,210.34

Finding the Fourth Proportional to 405,977.37, 560,051.52 and 268,210.34

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Solution

The fourth proportional to 405,977.37, 560,051.52 and 268,210.34 is: 369,999.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,977.37 : 560,051.52 = 268,210.34 : x
  2. Step 2: Convert to fraction form
    405,977.37/560,051.52 = 268,210.34/x
  3. Step 3: Cross multiply
    405,977.37x = 560,051.52 × 268,210.34
  4. Step 4: Simplify right side
    405,977.37x = 150,211,606,890.86
  5. Step 5: Solve for x
    x = 150,211,606,890.86/405,977.37
  6. Step 6: Final answer
    x = 369,999.95

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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.