Home / 756,129.47-1,042,882.43-514,003.96

Finding the Fourth Proportional to 756,129.47, 1,042,882.43 and 514,003.96

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Solution

The fourth proportional to 756,129.47, 1,042,882.43 and 514,003.96 is: 708,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,129.47 : 1,042,882.43 = 514,003.96 : x
  2. Step 2: Convert to fraction form
    756,129.47/1,042,882.43 = 514,003.96/x
  3. Step 3: Cross multiply
    756,129.47x = 1,042,882.43 × 514,003.96
  4. Step 4: Simplify right side
    756,129.47x = 536,045,697,568.01
  5. Step 5: Solve for x
    x = 536,045,697,568.01/756,129.47
  6. Step 6: Final answer
    x = 708,933.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.