Home / 603,577.40-905,365.92-154,299.20

Finding the Fourth Proportional to 603,577.40, 905,365.92 and 154,299.20

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Solution

The fourth proportional to 603,577.40, 905,365.92 and 154,299.20 is: 231,448.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,577.40 : 905,365.92 = 154,299.20 : x
  2. Step 2: Convert to fraction form
    603,577.40/905,365.92 = 154,299.20/x
  3. Step 3: Cross multiply
    603,577.40x = 905,365.92 × 154,299.20
  4. Step 4: Simplify right side
    603,577.40x = 139,697,237,163.26
  5. Step 5: Solve for x
    x = 139,697,237,163.26/603,577.40
  6. Step 6: Final answer
    x = 231,448.75

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1.5x scale

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.