Home / 879,769.60-1,214,096.16-477,361.60

Finding the Fourth Proportional to 879,769.60, 1,214,096.16 and 477,361.60

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Solution

The fourth proportional to 879,769.60, 1,214,096.16 and 477,361.60 is: 658,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,769.60 : 1,214,096.16 = 477,361.60 : x
  2. Step 2: Convert to fraction form
    879,769.60/1,214,096.16 = 477,361.60/x
  3. Step 3: Cross multiply
    879,769.60x = 1,214,096.16 × 477,361.60
  4. Step 4: Simplify right side
    879,769.60x = 579,562,885,491.46
  5. Step 5: Solve for x
    x = 579,562,885,491.46/879,769.60
  6. Step 6: Final answer
    x = 658,766.67

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1.5x scale

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.