Home / 938,842.52-1,295,590.41-509,120.37

Finding the Fourth Proportional to 938,842.52, 1,295,590.41 and 509,120.37

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Solution

The fourth proportional to 938,842.52, 1,295,590.41 and 509,120.37 is: 702,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,842.52 : 1,295,590.41 = 509,120.37 : x
  2. Step 2: Convert to fraction form
    938,842.52/1,295,590.41 = 509,120.37/x
  3. Step 3: Cross multiply
    938,842.52x = 1,295,590.41 × 509,120.37
  4. Step 4: Simplify right side
    938,842.52x = 659,611,468,907.65
  5. Step 5: Solve for x
    x = 659,611,468,907.65/938,842.52
  6. Step 6: Final answer
    x = 702,579.46

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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.