Home / 1,679,709.60-2,519,561.16-417,538.44

Finding the Fourth Proportional to 1,679,709.60, 2,519,561.16 and 417,538.44

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Solution

The fourth proportional to 1,679,709.60, 2,519,561.16 and 417,538.44 is: 626,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,709.60 : 2,519,561.16 = 417,538.44 : x
  2. Step 2: Convert to fraction form
    1,679,709.60/2,519,561.16 = 417,538.44/x
  3. Step 3: Cross multiply
    1,679,709.60x = 2,519,561.16 × 417,538.44
  4. Step 4: Simplify right side
    1,679,709.60x = 1,052,013,636,230.99
  5. Step 5: Solve for x
    x = 1,052,013,636,230.99/1,679,709.60
  6. Step 6: Final answer
    x = 626,306.85

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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.