Home / 823,084.40-1,236,700.20-523,708.40

Finding the Fourth Proportional to 823,084.40, 1,236,700.20 and 523,708.40

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Solution

The fourth proportional to 823,084.40, 1,236,700.20 and 523,708.40 is: 786,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,084.40 : 1,236,700.20 = 523,708.40 : x
  2. Step 2: Convert to fraction form
    823,084.40/1,236,700.20 = 523,708.40/x
  3. Step 3: Cross multiply
    823,084.40x = 1,236,700.20 × 523,708.40
  4. Step 4: Simplify right side
    823,084.40x = 647,670,283,021.68
  5. Step 5: Solve for x
    x = 647,670,283,021.68/823,084.40
  6. Step 6: Final answer
    x = 786,881.98

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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.