Home / 1,260,035.06-1,890,049.01-313,405.77

Finding the Fourth Proportional to 1,260,035.06, 1,890,049.01 and 313,405.77

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Solution

The fourth proportional to 1,260,035.06, 1,890,049.01 and 313,405.77 is: 470,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,035.06 : 1,890,049.01 = 313,405.77 : x
  2. Step 2: Convert to fraction form
    1,260,035.06/1,890,049.01 = 313,405.77/x
  3. Step 3: Cross multiply
    1,260,035.06x = 1,890,049.01 × 313,405.77
  4. Step 4: Simplify right side
    1,260,035.06x = 592,352,263,749.76
  5. Step 5: Solve for x
    x = 592,352,263,749.76/1,260,035.06
  6. Step 6: Final answer
    x = 470,107.77

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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.