Home / 769,652.56-1,061,432.92-483,199.36

Finding the Fourth Proportional to 769,652.56, 1,061,432.92 and 483,199.36

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Solution

The fourth proportional to 769,652.56, 1,061,432.92 and 483,199.36 is: 666,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,652.56 : 1,061,432.92 = 483,199.36 : x
  2. Step 2: Convert to fraction form
    769,652.56/1,061,432.92 = 483,199.36/x
  3. Step 3: Cross multiply
    769,652.56x = 1,061,432.92 × 483,199.36
  4. Step 4: Simplify right side
    769,652.56x = 512,883,707,626.93
  5. Step 5: Solve for x
    x = 512,883,707,626.93/769,652.56
  6. Step 6: Final answer
    x = 666,383.42

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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.