Home / 979,163.02-1,468,433.46-314,159.50

Finding the Fourth Proportional to 979,163.02, 1,468,433.46 and 314,159.50

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Solution

The fourth proportional to 979,163.02, 1,468,433.46 and 314,159.50 is: 471,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,163.02 : 1,468,433.46 = 314,159.50 : x
  2. Step 2: Convert to fraction form
    979,163.02/1,468,433.46 = 314,159.50/x
  3. Step 3: Cross multiply
    979,163.02x = 1,468,433.46 × 314,159.50
  4. Step 4: Simplify right side
    979,163.02x = 461,322,321,576.87
  5. Step 5: Solve for x
    x = 461,322,321,576.87/979,163.02
  6. Step 6: Final answer
    x = 471,139.44

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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.