Home / 511,841.54-706,339.33-282,413.10

Finding the Fourth Proportional to 511,841.54, 706,339.33 and 282,413.10

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Solution

The fourth proportional to 511,841.54, 706,339.33 and 282,413.10 is: 389,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,841.54 : 706,339.33 = 282,413.10 : x
  2. Step 2: Convert to fraction form
    511,841.54/706,339.33 = 282,413.10/x
  3. Step 3: Cross multiply
    511,841.54x = 706,339.33 × 282,413.10
  4. Step 4: Simplify right side
    511,841.54x = 199,479,479,131.19
  5. Step 5: Solve for x
    x = 199,479,479,131.19/511,841.54
  6. Step 6: Final answer
    x = 389,728.98

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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.