Home / 1,624,561.92-2,438,417.52-783,704.16

Finding the Fourth Proportional to 1,624,561.92, 2,438,417.52 and 783,704.16

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Solution

The fourth proportional to 1,624,561.92, 2,438,417.52 and 783,704.16 is: 1,176,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,561.92 : 2,438,417.52 = 783,704.16 : x
  2. Step 2: Convert to fraction form
    1,624,561.92/2,438,417.52 = 783,704.16/x
  3. Step 3: Cross multiply
    1,624,561.92x = 2,438,417.52 × 783,704.16
  4. Step 4: Simplify right side
    1,624,561.92x = 1,910,997,954,240.88
  5. Step 5: Solve for x
    x = 1,910,997,954,240.88/1,624,561.92
  6. Step 6: Final answer
    x = 1,176,315.86

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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.