Home / 746,715.10-1,120,076.70-185,749.60

Finding the Fourth Proportional to 746,715.10, 1,120,076.70 and 185,749.60

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Solution

The fourth proportional to 746,715.10, 1,120,076.70 and 185,749.60 is: 278,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,715.10 : 1,120,076.70 = 185,749.60 : x
  2. Step 2: Convert to fraction form
    746,715.10/1,120,076.70 = 185,749.60/x
  3. Step 3: Cross multiply
    746,715.10x = 1,120,076.70 × 185,749.60
  4. Step 4: Simplify right side
    746,715.10x = 208,053,798,994.32
  5. Step 5: Solve for x
    x = 208,053,798,994.32/746,715.10
  6. Step 6: Final answer
    x = 278,625.41

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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.