Home / 1,082,658.80-1,624,152.12-785,382.56

Finding the Fourth Proportional to 1,082,658.80, 1,624,152.12 and 785,382.56

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Solution

The fourth proportional to 1,082,658.80, 1,624,152.12 and 785,382.56 is: 1,178,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,658.80 : 1,624,152.12 = 785,382.56 : x
  2. Step 2: Convert to fraction form
    1,082,658.80/1,624,152.12 = 785,382.56/x
  3. Step 3: Cross multiply
    1,082,658.80x = 1,624,152.12 × 785,382.56
  4. Step 4: Simplify right side
    1,082,658.80x = 1,275,580,749,835.03
  5. Step 5: Solve for x
    x = 1,275,580,749,835.03/1,082,658.80
  6. Step 6: Final answer
    x = 1,178,192.75

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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.