Home / 716,642.46-1,075,119.21-217,993.50

Finding the Fourth Proportional to 716,642.46, 1,075,119.21 and 217,993.50

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Solution

The fourth proportional to 716,642.46, 1,075,119.21 and 217,993.50 is: 327,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,642.46 : 1,075,119.21 = 217,993.50 : x
  2. Step 2: Convert to fraction form
    716,642.46/1,075,119.21 = 217,993.50/x
  3. Step 3: Cross multiply
    716,642.46x = 1,075,119.21 × 217,993.50
  4. Step 4: Simplify right side
    716,642.46x = 234,368,999,505.14
  5. Step 5: Solve for x
    x = 234,368,999,505.14/716,642.46
  6. Step 6: Final answer
    x = 327,037.56

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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.