Home / 833,243.95-1,149,416.25-678,361.85

Finding the Fourth Proportional to 833,243.95, 1,149,416.25 and 678,361.85

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Solution

The fourth proportional to 833,243.95, 1,149,416.25 and 678,361.85 is: 935,764.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,243.95 : 1,149,416.25 = 678,361.85 : x
  2. Step 2: Convert to fraction form
    833,243.95/1,149,416.25 = 678,361.85/x
  3. Step 3: Cross multiply
    833,243.95x = 1,149,416.25 × 678,361.85
  4. Step 4: Simplify right side
    833,243.95x = 779,720,133,770.06
  5. Step 5: Solve for x
    x = 779,720,133,770.06/833,243.95
  6. Step 6: Final answer
    x = 935,764.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.