Home / 1,208,450.53-1,667,638.61-664,586.32

Finding the Fourth Proportional to 1,208,450.53, 1,667,638.61 and 664,586.32

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Solution

The fourth proportional to 1,208,450.53, 1,667,638.61 and 664,586.32 is: 917,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,450.53 : 1,667,638.61 = 664,586.32 : x
  2. Step 2: Convert to fraction form
    1,208,450.53/1,667,638.61 = 664,586.32/x
  3. Step 3: Cross multiply
    1,208,450.53x = 1,667,638.61 × 664,586.32
  4. Step 4: Simplify right side
    1,208,450.53x = 1,108,289,808,775.11
  5. Step 5: Solve for x
    x = 1,108,289,808,775.11/1,208,450.53
  6. Step 6: Final answer
    x = 917,116.41

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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.