Home / 383,011.83-528,546.74-210,928.46

Finding the Fourth Proportional to 383,011.83, 528,546.74 and 210,928.46

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Solution

The fourth proportional to 383,011.83, 528,546.74 and 210,928.46 is: 291,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,011.83 : 528,546.74 = 210,928.46 : x
  2. Step 2: Convert to fraction form
    383,011.83/528,546.74 = 210,928.46/x
  3. Step 3: Cross multiply
    383,011.83x = 528,546.74 × 210,928.46
  4. Step 4: Simplify right side
    383,011.83x = 111,485,546,208.84
  5. Step 5: Solve for x
    x = 111,485,546,208.84/383,011.83
  6. Step 6: Final answer
    x = 291,075.99

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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.