Home / 1,603,351.40-2,405,027.10-856,855.40

Finding the Fourth Proportional to 1,603,351.40, 2,405,027.10 and 856,855.40

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Solution

The fourth proportional to 1,603,351.40, 2,405,027.10 and 856,855.40 is: 1,285,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,351.40 : 2,405,027.10 = 856,855.40 : x
  2. Step 2: Convert to fraction form
    1,603,351.40/2,405,027.10 = 856,855.40/x
  3. Step 3: Cross multiply
    1,603,351.40x = 2,405,027.10 × 856,855.40
  4. Step 4: Simplify right side
    1,603,351.40x = 2,060,760,457,781.34
  5. Step 5: Solve for x
    x = 2,060,760,457,781.34/1,603,351.40
  6. Step 6: Final answer
    x = 1,285,283.10

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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.