Home / 1,260,465.40-1,889,121.30-629,555.32

Finding the Fourth Proportional to 1,260,465.40, 1,889,121.30 and 629,555.32

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Solution

The fourth proportional to 1,260,465.40, 1,889,121.30 and 629,555.32 is: 943,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,465.40 : 1,889,121.30 = 629,555.32 : x
  2. Step 2: Convert to fraction form
    1,260,465.40/1,889,121.30 = 629,555.32/x
  3. Step 3: Cross multiply
    1,260,465.40x = 1,889,121.30 × 629,555.32
  4. Step 4: Simplify right side
    1,260,465.40x = 1,189,306,364,540.32
  5. Step 5: Solve for x
    x = 1,189,306,364,540.32/1,260,465.40
  6. Step 6: Final answer
    x = 943,545.43

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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.