Home / 480,413.94-662,971.38-262,623.56

Finding the Fourth Proportional to 480,413.94, 662,971.38 and 262,623.56

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Solution

The fourth proportional to 480,413.94, 662,971.38 and 262,623.56 is: 362,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,413.94 : 662,971.38 = 262,623.56 : x
  2. Step 2: Convert to fraction form
    480,413.94/662,971.38 = 262,623.56/x
  3. Step 3: Cross multiply
    480,413.94x = 662,971.38 × 262,623.56
  4. Step 4: Simplify right side
    480,413.94x = 174,111,903,993.71
  5. Step 5: Solve for x
    x = 174,111,903,993.71/480,413.94
  6. Step 6: Final answer
    x = 362,420.59

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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.