Home / 405,796.13-560,178.03-242,510.25

Finding the Fourth Proportional to 405,796.13, 560,178.03 and 242,510.25

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Solution

The fourth proportional to 405,796.13, 560,178.03 and 242,510.25 is: 334,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,796.13 : 560,178.03 = 242,510.25 : x
  2. Step 2: Convert to fraction form
    405,796.13/560,178.03 = 242,510.25/x
  3. Step 3: Cross multiply
    405,796.13x = 560,178.03 × 242,510.25
  4. Step 4: Simplify right side
    405,796.13x = 135,848,915,745.77
  5. Step 5: Solve for x
    x = 135,848,915,745.77/405,796.13
  6. Step 6: Final answer
    x = 334,771.34

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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.