Home / 1,201,764.72-1,803,586.44-528,311.28

Finding the Fourth Proportional to 1,201,764.72, 1,803,586.44 and 528,311.28

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Solution

The fourth proportional to 1,201,764.72, 1,803,586.44 and 528,311.28 is: 792,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,764.72 : 1,803,586.44 = 528,311.28 : x
  2. Step 2: Convert to fraction form
    1,201,764.72/1,803,586.44 = 528,311.28/x
  3. Step 3: Cross multiply
    1,201,764.72x = 1,803,586.44 × 528,311.28
  4. Step 4: Simplify right side
    1,201,764.72x = 952,855,060,707.04
  5. Step 5: Solve for x
    x = 952,855,060,707.04/1,201,764.72
  6. Step 6: Final answer
    x = 792,879.87

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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.