Home / 289,326.23-400,032.09-253,413.20

Finding the Fourth Proportional to 289,326.23, 400,032.09 and 253,413.20

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Solution

The fourth proportional to 289,326.23, 400,032.09 and 253,413.20 is: 350,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,326.23 : 400,032.09 = 253,413.20 : x
  2. Step 2: Convert to fraction form
    289,326.23/400,032.09 = 253,413.20/x
  3. Step 3: Cross multiply
    289,326.23x = 400,032.09 × 253,413.20
  4. Step 4: Simplify right side
    289,326.23x = 101,373,408,762.36
  5. Step 5: Solve for x
    x = 101,373,408,762.36/289,326.23
  6. Step 6: Final answer
    x = 350,377.53

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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.