Home / 405,513.72-559,593.09-242,197.92

Finding the Fourth Proportional to 405,513.72, 559,593.09 and 242,197.92

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Solution

The fourth proportional to 405,513.72, 559,593.09 and 242,197.92 is: 334,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,513.72 : 559,593.09 = 242,197.92 : x
  2. Step 2: Convert to fraction form
    405,513.72/559,593.09 = 242,197.92/x
  3. Step 3: Cross multiply
    405,513.72x = 559,593.09 × 242,197.92
  4. Step 4: Simplify right side
    405,513.72x = 135,532,282,444.37
  5. Step 5: Solve for x
    x = 135,532,282,444.37/405,513.72
  6. Step 6: Final answer
    x = 334,223.67

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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.