Home / 673,121.01-1,009,868.34-373,811.78

Finding the Fourth Proportional to 673,121.01, 1,009,868.34 and 373,811.78

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Solution

The fourth proportional to 673,121.01, 1,009,868.34 and 373,811.78 is: 560,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,121.01 : 1,009,868.34 = 373,811.78 : x
  2. Step 2: Convert to fraction form
    673,121.01/1,009,868.34 = 373,811.78/x
  3. Step 3: Cross multiply
    673,121.01x = 1,009,868.34 × 373,811.78
  4. Step 4: Simplify right side
    673,121.01x = 377,500,679,554.57
  5. Step 5: Solve for x
    x = 377,500,679,554.57/673,121.01
  6. Step 6: Final answer
    x = 560,821.42

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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.