Home / 1,257,828.90-1,735,835.09-684,900.51

Finding the Fourth Proportional to 1,257,828.90, 1,735,835.09 and 684,900.51

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Solution

The fourth proportional to 1,257,828.90, 1,735,835.09 and 684,900.51 is: 945,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,828.90 : 1,735,835.09 = 684,900.51 : x
  2. Step 2: Convert to fraction form
    1,257,828.90/1,735,835.09 = 684,900.51/x
  3. Step 3: Cross multiply
    1,257,828.90x = 1,735,835.09 × 684,900.51
  4. Step 4: Simplify right side
    1,257,828.90x = 1,188,874,338,416.90
  5. Step 5: Solve for x
    x = 1,188,874,338,416.90/1,257,828.90
  6. Step 6: Final answer
    x = 945,179.70

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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.