Home / 979,040.80-1,467,783.60-535,808.80

Finding the Fourth Proportional to 979,040.80, 1,467,783.60 and 535,808.80

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Solution

The fourth proportional to 979,040.80, 1,467,783.60 and 535,808.80 is: 803,287.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,040.80 : 1,467,783.60 = 535,808.80 : x
  2. Step 2: Convert to fraction form
    979,040.80/1,467,783.60 = 535,808.80/x
  3. Step 3: Cross multiply
    979,040.80x = 1,467,783.60 × 535,808.80
  4. Step 4: Simplify right side
    979,040.80x = 786,451,369,375.68
  5. Step 5: Solve for x
    x = 786,451,369,375.68/979,040.80
  6. Step 6: Final answer
    x = 803,287.64

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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.