Home / 1,082,428.12-1,494,051.06-629,806.60

Finding the Fourth Proportional to 1,082,428.12, 1,494,051.06 and 629,806.60

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Solution

The fourth proportional to 1,082,428.12, 1,494,051.06 and 629,806.60 is: 869,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,428.12 : 1,494,051.06 = 629,806.60 : x
  2. Step 2: Convert to fraction form
    1,082,428.12/1,494,051.06 = 629,806.60/x
  3. Step 3: Cross multiply
    1,082,428.12x = 1,494,051.06 × 629,806.60
  4. Step 4: Simplify right side
    1,082,428.12x = 940,963,218,325.00
  5. Step 5: Solve for x
    x = 940,963,218,325.00/1,082,428.12
  6. Step 6: Final answer
    x = 869,307.81

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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.