Home / 716,887.44-1,075,515.68-211,428

Finding the Fourth Proportional to 716,887.44, 1,075,515.68 and 211,428

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Solution

The fourth proportional to 716,887.44, 1,075,515.68 and 211,428 is: 317,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,887.44 : 1,075,515.68 = 211,428 : x
  2. Step 2: Convert to fraction form
    716,887.44/1,075,515.68 = 211,428/x
  3. Step 3: Cross multiply
    716,887.44x = 1,075,515.68 × 211,428
  4. Step 4: Simplify right side
    716,887.44x = 227,394,129,719.61
  5. Step 5: Solve for x
    x = 227,394,129,719.61/716,887.44
  6. Step 6: Final answer
    x = 317,196.42

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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.