Home / 626,918.82-865,140.37-340,440.94

Finding the Fourth Proportional to 626,918.82, 865,140.37 and 340,440.94

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Solution

The fourth proportional to 626,918.82, 865,140.37 and 340,440.94 is: 469,804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,918.82 : 865,140.37 = 340,440.94 : x
  2. Step 2: Convert to fraction form
    626,918.82/865,140.37 = 340,440.94/x
  3. Step 3: Cross multiply
    626,918.82x = 865,140.37 × 340,440.94
  4. Step 4: Simplify right side
    626,918.82x = 294,529,200,794.75
  5. Step 5: Solve for x
    x = 294,529,200,794.75/626,918.82
  6. Step 6: Final answer
    x = 469,804.37

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1.5x scale

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.