Home / 783,820.99-1,173,737.22-516,771.28

Finding the Fourth Proportional to 783,820.99, 1,173,737.22 and 516,771.28

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Solution

The fourth proportional to 783,820.99, 1,173,737.22 and 516,771.28 is: 773,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,820.99 : 1,173,737.22 = 516,771.28 : x
  2. Step 2: Convert to fraction form
    783,820.99/1,173,737.22 = 516,771.28/x
  3. Step 3: Cross multiply
    783,820.99x = 1,173,737.22 × 516,771.28
  4. Step 4: Simplify right side
    783,820.99x = 606,553,685,563.04
  5. Step 5: Solve for x
    x = 606,553,685,563.04/783,820.99
  6. Step 6: Final answer
    x = 773,842.11

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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.