Home / 716,631.84-1,075,103.27-217,982.88

Finding the Fourth Proportional to 716,631.84, 1,075,103.27 and 217,982.88

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Solution

The fourth proportional to 716,631.84, 1,075,103.27 and 217,982.88 is: 327,021.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,631.84 : 1,075,103.27 = 217,982.88 : x
  2. Step 2: Convert to fraction form
    716,631.84/1,075,103.27 = 217,982.88/x
  3. Step 3: Cross multiply
    716,631.84x = 1,075,103.27 × 217,982.88
  4. Step 4: Simplify right side
    716,631.84x = 234,354,107,092.02
  5. Step 5: Solve for x
    x = 234,354,107,092.02/716,631.84
  6. Step 6: Final answer
    x = 327,021.62

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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.