Home / 620,271.04-929,815.44-199,251.28

Finding the Fourth Proportional to 620,271.04, 929,815.44 and 199,251.28

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Solution

The fourth proportional to 620,271.04, 929,815.44 and 199,251.28 is: 298,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,271.04 : 929,815.44 = 199,251.28 : x
  2. Step 2: Convert to fraction form
    620,271.04/929,815.44 = 199,251.28/x
  3. Step 3: Cross multiply
    620,271.04x = 929,815.44 × 199,251.28
  4. Step 4: Simplify right side
    620,271.04x = 185,266,916,583.76
  5. Step 5: Solve for x
    x = 185,266,916,583.76/620,271.04
  6. Step 6: Final answer
    x = 298,687.03

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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.