Home / 446,027.20-669,040.80-236,075.20

Finding the Fourth Proportional to 446,027.20, 669,040.80 and 236,075.20

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Solution

The fourth proportional to 446,027.20, 669,040.80 and 236,075.20 is: 354,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,027.20 : 669,040.80 = 236,075.20 : x
  2. Step 2: Convert to fraction form
    446,027.20/669,040.80 = 236,075.20/x
  3. Step 3: Cross multiply
    446,027.20x = 669,040.80 × 236,075.20
  4. Step 4: Simplify right side
    446,027.20x = 157,943,940,668.16
  5. Step 5: Solve for x
    x = 157,943,940,668.16/446,027.20
  6. Step 6: Final answer
    x = 354,112.80

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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.