Home / 683,769.40-1,025,346.90-262,905.40

Finding the Fourth Proportional to 683,769.40, 1,025,346.90 and 262,905.40

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Solution

The fourth proportional to 683,769.40, 1,025,346.90 and 262,905.40 is: 394,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,769.40 : 1,025,346.90 = 262,905.40 : x
  2. Step 2: Convert to fraction form
    683,769.40/1,025,346.90 = 262,905.40/x
  3. Step 3: Cross multiply
    683,769.40x = 1,025,346.90 × 262,905.40
  4. Step 4: Simplify right side
    683,769.40x = 269,569,236,883.26
  5. Step 5: Solve for x
    x = 269,569,236,883.26/683,769.40
  6. Step 6: Final answer
    x = 394,239.98

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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.