Home / 1,353,413.84-2,029,962.69-543,765.47

Finding the Fourth Proportional to 1,353,413.84, 2,029,962.69 and 543,765.47

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Solution

The fourth proportional to 1,353,413.84, 2,029,962.69 and 543,765.47 is: 815,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,413.84 : 2,029,962.69 = 543,765.47 : x
  2. Step 2: Convert to fraction form
    1,353,413.84/2,029,962.69 = 543,765.47/x
  3. Step 3: Cross multiply
    1,353,413.84x = 2,029,962.69 × 543,765.47
  4. Step 4: Simplify right side
    1,353,413.84x = 1,103,823,606,060.50
  5. Step 5: Solve for x
    x = 1,103,823,606,060.50/1,353,413.84
  6. Step 6: Final answer
    x = 815,584.69

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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.