Home / 1,865,107.86-2,797,661.63-517,270.45

Finding the Fourth Proportional to 1,865,107.86, 2,797,661.63 and 517,270.45

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Solution

The fourth proportional to 1,865,107.86, 2,797,661.63 and 517,270.45 is: 775,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,107.86 : 2,797,661.63 = 517,270.45 : x
  2. Step 2: Convert to fraction form
    1,865,107.86/2,797,661.63 = 517,270.45/x
  3. Step 3: Cross multiply
    1,865,107.86x = 2,797,661.63 × 517,270.45
  4. Step 4: Simplify right side
    1,865,107.86x = 1,447,147,682,010.50
  5. Step 5: Solve for x
    x = 1,447,147,682,010.50/1,865,107.86
  6. Step 6: Final answer
    x = 775,905.63

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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.