Home / 437,561.13-656,452.40-122,018.07

Finding the Fourth Proportional to 437,561.13, 656,452.40 and 122,018.07

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Solution

The fourth proportional to 437,561.13, 656,452.40 and 122,018.07 is: 183,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,561.13 : 656,452.40 = 122,018.07 : x
  2. Step 2: Convert to fraction form
    437,561.13/656,452.40 = 122,018.07/x
  3. Step 3: Cross multiply
    437,561.13x = 656,452.40 × 122,018.07
  4. Step 4: Simplify right side
    437,561.13x = 80,099,054,894.87
  5. Step 5: Solve for x
    x = 80,099,054,894.87/437,561.13
  6. Step 6: Final answer
    x = 183,057.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.