Home / 1,720,623.55-2,373,788.50-985,184.81

Finding the Fourth Proportional to 1,720,623.55, 2,373,788.50 and 985,184.81

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Solution

The fourth proportional to 1,720,623.55, 2,373,788.50 and 985,184.81 is: 1,359,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,623.55 : 2,373,788.50 = 985,184.81 : x
  2. Step 2: Convert to fraction form
    1,720,623.55/2,373,788.50 = 985,184.81/x
  3. Step 3: Cross multiply
    1,720,623.55x = 2,373,788.50 × 985,184.81
  4. Step 4: Simplify right side
    1,720,623.55x = 2,338,620,379,014.96
  5. Step 5: Solve for x
    x = 2,338,620,379,014.96/1,720,623.55
  6. Step 6: Final answer
    x = 1,359,170.27

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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.