Home / 716,629.84-1,075,100.27-217,980.88

Finding the Fourth Proportional to 716,629.84, 1,075,100.27 and 217,980.88

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Solution

The fourth proportional to 716,629.84, 1,075,100.27 and 217,980.88 is: 327,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,629.84 : 1,075,100.27 = 217,980.88 : x
  2. Step 2: Convert to fraction form
    716,629.84/1,075,100.27 = 217,980.88/x
  3. Step 3: Cross multiply
    716,629.84x = 1,075,100.27 × 217,980.88
  4. Step 4: Simplify right side
    716,629.84x = 234,351,302,942.84
  5. Step 5: Solve for x
    x = 234,351,302,942.84/716,629.84
  6. Step 6: Final answer
    x = 327,018.62

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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.