Home / 1,028,012.78-1,542,184.41-353,928.35

Finding the Fourth Proportional to 1,028,012.78, 1,542,184.41 and 353,928.35

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Solution

The fourth proportional to 1,028,012.78, 1,542,184.41 and 353,928.35 is: 530,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,012.78 : 1,542,184.41 = 353,928.35 : x
  2. Step 2: Convert to fraction form
    1,028,012.78/1,542,184.41 = 353,928.35/x
  3. Step 3: Cross multiply
    1,028,012.78x = 1,542,184.41 × 353,928.35
  4. Step 4: Simplify right side
    1,028,012.78x = 545,822,783,627.02
  5. Step 5: Solve for x
    x = 545,822,783,627.02/1,028,012.78
  6. Step 6: Final answer
    x = 530,949.41

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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.