Home / 716,856.21-1,075,282.83-211,771.85

Finding the Fourth Proportional to 716,856.21, 1,075,282.83 and 211,771.85

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Solution

The fourth proportional to 716,856.21, 1,075,282.83 and 211,771.85 is: 317,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,856.21 : 1,075,282.83 = 211,771.85 : x
  2. Step 2: Convert to fraction form
    716,856.21/1,075,282.83 = 211,771.85/x
  3. Step 3: Cross multiply
    716,856.21x = 1,075,282.83 × 211,771.85
  4. Step 4: Simplify right side
    716,856.21x = 227,714,628,805.92
  5. Step 5: Solve for x
    x = 227,714,628,805.92/716,856.21
  6. Step 6: Final answer
    x = 317,657.33

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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.