Home / 913,668.82-1,260,844.44-505,770.85

Finding the Fourth Proportional to 913,668.82, 1,260,844.44 and 505,770.85

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Solution

The fourth proportional to 913,668.82, 1,260,844.44 and 505,770.85 is: 697,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,668.82 : 1,260,844.44 = 505,770.85 : x
  2. Step 2: Convert to fraction form
    913,668.82/1,260,844.44 = 505,770.85/x
  3. Step 3: Cross multiply
    913,668.82x = 1,260,844.44 × 505,770.85
  4. Step 4: Simplify right side
    913,668.82x = 637,698,364,136.57
  5. Step 5: Solve for x
    x = 637,698,364,136.57/913,668.82
  6. Step 6: Final answer
    x = 697,953.51

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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.