Home / 823,084.90-1,236,700.95-523,708.90

Finding the Fourth Proportional to 823,084.90, 1,236,700.95 and 523,708.90

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Solution

The fourth proportional to 823,084.90, 1,236,700.95 and 523,708.90 is: 786,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,084.90 : 1,236,700.95 = 523,708.90 : x
  2. Step 2: Convert to fraction form
    823,084.90/1,236,700.95 = 523,708.90/x
  3. Step 3: Cross multiply
    823,084.90x = 1,236,700.95 × 523,708.90
  4. Step 4: Simplify right side
    823,084.90x = 647,671,294,153.46
  5. Step 5: Solve for x
    x = 647,671,294,153.46/823,084.90
  6. Step 6: Final answer
    x = 786,882.73

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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.