Home / 1,078,757.78-1,616,999.22-358,907.22

Finding the Fourth Proportional to 1,078,757.78, 1,616,999.22 and 358,907.22

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Solution

The fourth proportional to 1,078,757.78, 1,616,999.22 and 358,907.22 is: 537,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,757.78 : 1,616,999.22 = 358,907.22 : x
  2. Step 2: Convert to fraction form
    1,078,757.78/1,616,999.22 = 358,907.22/x
  3. Step 3: Cross multiply
    1,078,757.78x = 1,616,999.22 × 358,907.22
  4. Step 4: Simplify right side
    1,078,757.78x = 580,352,694,792.37
  5. Step 5: Solve for x
    x = 580,352,694,792.37/1,078,757.78
  6. Step 6: Final answer
    x = 537,982.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.