Home / 480,390.96-720,413.64-164,766

Finding the Fourth Proportional to 480,390.96, 720,413.64 and 164,766

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Solution

The fourth proportional to 480,390.96, 720,413.64 and 164,766 is: 247,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,390.96 : 720,413.64 = 164,766 : x
  2. Step 2: Convert to fraction form
    480,390.96/720,413.64 = 164,766/x
  3. Step 3: Cross multiply
    480,390.96x = 720,413.64 × 164,766
  4. Step 4: Simplify right side
    480,390.96x = 118,699,673,808.24
  5. Step 5: Solve for x
    x = 118,699,673,808.24/480,390.96
  6. Step 6: Final answer
    x = 247,089.73

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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.