Home / 839,593.28-1,259,877.78-353,239.79

Finding the Fourth Proportional to 839,593.28, 1,259,877.78 and 353,239.79

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Solution

The fourth proportional to 839,593.28, 1,259,877.78 and 353,239.79 is: 530,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,593.28 : 1,259,877.78 = 353,239.79 : x
  2. Step 2: Convert to fraction form
    839,593.28/1,259,877.78 = 353,239.79/x
  3. Step 3: Cross multiply
    839,593.28x = 1,259,877.78 × 353,239.79
  4. Step 4: Simplify right side
    839,593.28x = 445,038,962,432.87
  5. Step 5: Solve for x
    x = 445,038,962,432.87/839,593.28
  6. Step 6: Final answer
    x = 530,064.94

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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.