Home / 1,257,902.92-1,735,898.64-684,941.68

Finding the Fourth Proportional to 1,257,902.92, 1,735,898.64 and 684,941.68

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Solution

The fourth proportional to 1,257,902.92, 1,735,898.64 and 684,941.68 is: 945,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,902.92 : 1,735,898.64 = 684,941.68 : x
  2. Step 2: Convert to fraction form
    1,257,902.92/1,735,898.64 = 684,941.68/x
  3. Step 3: Cross multiply
    1,257,902.92x = 1,735,898.64 × 684,941.68
  4. Step 4: Simplify right side
    1,257,902.92x = 1,188,989,330,791.32
  5. Step 5: Solve for x
    x = 1,188,989,330,791.32/1,257,902.92
  6. Step 6: Final answer
    x = 945,215.49

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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.