Home / 725,114.94-1,087,298.79-325,413.06

Finding the Fourth Proportional to 725,114.94, 1,087,298.79 and 325,413.06

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Solution

The fourth proportional to 725,114.94, 1,087,298.79 and 325,413.06 is: 487,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,114.94 : 1,087,298.79 = 325,413.06 : x
  2. Step 2: Convert to fraction form
    725,114.94/1,087,298.79 = 325,413.06/x
  3. Step 3: Cross multiply
    725,114.94x = 1,087,298.79 × 325,413.06
  4. Step 4: Simplify right side
    725,114.94x = 353,821,226,388.20
  5. Step 5: Solve for x
    x = 353,821,226,388.20/725,114.94
  6. Step 6: Final answer
    x = 487,951.92

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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.