Home / 985,112.91-1,477,669.36-760,800.52

Finding the Fourth Proportional to 985,112.91, 1,477,669.36 and 760,800.52

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Solution

The fourth proportional to 985,112.91, 1,477,669.36 and 760,800.52 is: 1,141,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,112.91 : 1,477,669.36 = 760,800.52 : x
  2. Step 2: Convert to fraction form
    985,112.91/1,477,669.36 = 760,800.52/x
  3. Step 3: Cross multiply
    985,112.91x = 1,477,669.36 × 760,800.52
  4. Step 4: Simplify right side
    985,112.91x = 1,124,211,611,879.89
  5. Step 5: Solve for x
    x = 1,124,211,611,879.89/985,112.91
  6. Step 6: Final answer
    x = 1,141,200.78

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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.