Home / 1,750,431.40-2,629,583.70-1,683,509.20

Finding the Fourth Proportional to 1,750,431.40, 2,629,583.70 and 1,683,509.20

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Solution

The fourth proportional to 1,750,431.40, 2,629,583.70 and 1,683,509.20 is: 2,529,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,431.40 : 2,629,583.70 = 1,683,509.20 : x
  2. Step 2: Convert to fraction form
    1,750,431.40/2,629,583.70 = 1,683,509.20/x
  3. Step 3: Cross multiply
    1,750,431.40x = 2,629,583.70 × 1,683,509.20
  4. Step 4: Simplify right side
    1,750,431.40x = 4,426,928,351,120.04
  5. Step 5: Solve for x
    x = 4,426,928,351,120.04/1,750,431.40
  6. Step 6: Final answer
    x = 2,529,049.90

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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.