Home / 1,173,586.37-1,760,379.58-640,816.77

Finding the Fourth Proportional to 1,173,586.37, 1,760,379.58 and 640,816.77

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Solution

The fourth proportional to 1,173,586.37, 1,760,379.58 and 640,816.77 is: 961,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,586.37 : 1,760,379.58 = 640,816.77 : x
  2. Step 2: Convert to fraction form
    1,173,586.37/1,760,379.58 = 640,816.77/x
  3. Step 3: Cross multiply
    1,173,586.37x = 1,760,379.58 × 640,816.77
  4. Step 4: Simplify right side
    1,173,586.37x = 1,128,080,753,929.87
  5. Step 5: Solve for x
    x = 1,128,080,753,929.87/1,173,586.37
  6. Step 6: Final answer
    x = 961,225.17

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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.