Home / 821,034.89-1,231,907.13-441,512.03

Finding the Fourth Proportional to 821,034.89, 1,231,907.13 and 441,512.03

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Solution

The fourth proportional to 821,034.89, 1,231,907.13 and 441,512.03 is: 662,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,034.89 : 1,231,907.13 = 441,512.03 : x
  2. Step 2: Convert to fraction form
    821,034.89/1,231,907.13 = 441,512.03/x
  3. Step 3: Cross multiply
    821,034.89x = 1,231,907.13 × 441,512.03
  4. Step 4: Simplify right side
    821,034.89x = 543,901,817,737.77
  5. Step 5: Solve for x
    x = 543,901,817,737.77/821,034.89
  6. Step 6: Final answer
    x = 662,458.84

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1.5x scale

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.