Home / 692,518.14-1,040,603.80-372,906.30

Finding the Fourth Proportional to 692,518.14, 1,040,603.80 and 372,906.30

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Solution

The fourth proportional to 692,518.14, 1,040,603.80 and 372,906.30 is: 560,343.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,518.14 : 1,040,603.80 = 372,906.30 : x
  2. Step 2: Convert to fraction form
    692,518.14/1,040,603.80 = 372,906.30/x
  3. Step 3: Cross multiply
    692,518.14x = 1,040,603.80 × 372,906.30
  4. Step 4: Simplify right side
    692,518.14x = 388,047,712,823.94
  5. Step 5: Solve for x
    x = 388,047,712,823.94/692,518.14
  6. Step 6: Final answer
    x = 560,343.03

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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.