Home / 1,104,845.50-1,524,672.11-621,410.67

Finding the Fourth Proportional to 1,104,845.50, 1,524,672.11 and 621,410.67

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Solution

The fourth proportional to 1,104,845.50, 1,524,672.11 and 621,410.67 is: 857,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,845.50 : 1,524,672.11 = 621,410.67 : x
  2. Step 2: Convert to fraction form
    1,104,845.50/1,524,672.11 = 621,410.67/x
  3. Step 3: Cross multiply
    1,104,845.50x = 1,524,672.11 × 621,410.67
  4. Step 4: Simplify right side
    1,104,845.50x = 947,447,518,958.94
  5. Step 5: Solve for x
    x = 947,447,518,958.94/1,104,845.50
  6. Step 6: Final answer
    x = 857,538.47

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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.