Home / 629,408.01-868,572.09-342,930.18

Finding the Fourth Proportional to 629,408.01, 868,572.09 and 342,930.18

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Solution

The fourth proportional to 629,408.01, 868,572.09 and 342,930.18 is: 473,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,408.01 : 868,572.09 = 342,930.18 : x
  2. Step 2: Convert to fraction form
    629,408.01/868,572.09 = 342,930.18/x
  3. Step 3: Cross multiply
    629,408.01x = 868,572.09 × 342,930.18
  4. Step 4: Simplify right side
    629,408.01x = 297,859,583,166.68
  5. Step 5: Solve for x
    x = 297,859,583,166.68/629,408.01
  6. Step 6: Final answer
    x = 473,237.67

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1.5x scale

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.