Home / 957,693.78-1,435,571.10-620,947.62

Finding the Fourth Proportional to 957,693.78, 1,435,571.10 and 620,947.62

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Solution

The fourth proportional to 957,693.78, 1,435,571.10 and 620,947.62 is: 930,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,693.78 : 1,435,571.10 = 620,947.62 : x
  2. Step 2: Convert to fraction form
    957,693.78/1,435,571.10 = 620,947.62/x
  3. Step 3: Cross multiply
    957,693.78x = 1,435,571.10 × 620,947.62
  4. Step 4: Simplify right side
    957,693.78x = 891,414,457,885.78
  5. Step 5: Solve for x
    x = 891,414,457,885.78/957,693.78
  6. Step 6: Final answer
    x = 930,792.78

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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.