Home / 426,413.34-639,543.06-110,850.84

Finding the Fourth Proportional to 426,413.34, 639,543.06 and 110,850.84

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Solution

The fourth proportional to 426,413.34, 639,543.06 and 110,850.84 is: 166,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,413.34 : 639,543.06 = 110,850.84 : x
  2. Step 2: Convert to fraction form
    426,413.34/639,543.06 = 110,850.84/x
  3. Step 3: Cross multiply
    426,413.34x = 639,543.06 × 110,850.84
  4. Step 4: Simplify right side
    426,413.34x = 70,893,885,417.17
  5. Step 5: Solve for x
    x = 70,893,885,417.17/426,413.34
  6. Step 6: Final answer
    x = 166,256.26

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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.