Home / 416,413.03-574,645.21-225,422.23

Finding the Fourth Proportional to 416,413.03, 574,645.21 and 225,422.23

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Solution

The fourth proportional to 416,413.03, 574,645.21 and 225,422.23 is: 311,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,413.03 : 574,645.21 = 225,422.23 : x
  2. Step 2: Convert to fraction form
    416,413.03/574,645.21 = 225,422.23/x
  3. Step 3: Cross multiply
    416,413.03x = 574,645.21 × 225,422.23
  4. Step 4: Simplify right side
    416,413.03x = 129,537,804,697.02
  5. Step 5: Solve for x
    x = 129,537,804,697.02/416,413.03
  6. Step 6: Final answer
    x = 311,080.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.