Home / 692,515.88-1,040,600.44-372,904.06

Finding the Fourth Proportional to 692,515.88, 1,040,600.44 and 372,904.06

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Solution

The fourth proportional to 692,515.88, 1,040,600.44 and 372,904.06 is: 560,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,515.88 : 1,040,600.44 = 372,904.06 : x
  2. Step 2: Convert to fraction form
    692,515.88/1,040,600.44 = 372,904.06/x
  3. Step 3: Cross multiply
    692,515.88x = 1,040,600.44 × 372,904.06
  4. Step 4: Simplify right side
    692,515.88x = 388,044,128,913.79
  5. Step 5: Solve for x
    x = 388,044,128,913.79/692,515.88
  6. Step 6: Final answer
    x = 560,339.68

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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.