Home / 964,639.45-1,331,137.56-534,903.67

Finding the Fourth Proportional to 964,639.45, 1,331,137.56 and 534,903.67

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Solution

The fourth proportional to 964,639.45, 1,331,137.56 and 534,903.67 is: 738,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,639.45 : 1,331,137.56 = 534,903.67 : x
  2. Step 2: Convert to fraction form
    964,639.45/1,331,137.56 = 534,903.67/x
  3. Step 3: Cross multiply
    964,639.45x = 1,331,137.56 × 534,903.67
  4. Step 4: Simplify right side
    964,639.45x = 712,030,366,118.85
  5. Step 5: Solve for x
    x = 712,030,366,118.85/964,639.45
  6. Step 6: Final answer
    x = 738,131.09

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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.