Home / 1,591,289.82-2,386,870.00-393,181.97

Finding the Fourth Proportional to 1,591,289.82, 2,386,870.00 and 393,181.97

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Solution

The fourth proportional to 1,591,289.82, 2,386,870.00 and 393,181.97 is: 589,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,289.82 : 2,386,870.00 = 393,181.97 : x
  2. Step 2: Convert to fraction form
    1,591,289.82/2,386,870.00 = 393,181.97/x
  3. Step 3: Cross multiply
    1,591,289.82x = 2,386,870.00 × 393,181.97
  4. Step 4: Simplify right side
    1,591,289.82x = 938,474,235,816.60
  5. Step 5: Solve for x
    x = 938,474,235,816.60/1,591,289.82
  6. Step 6: Final answer
    x = 589,756.95

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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.