Home / 1,013,665.20-1,398,861.68-548,519.07

Finding the Fourth Proportional to 1,013,665.20, 1,398,861.68 and 548,519.07

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Solution

The fourth proportional to 1,013,665.20, 1,398,861.68 and 548,519.07 is: 756,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,665.20 : 1,398,861.68 = 548,519.07 : x
  2. Step 2: Convert to fraction form
    1,013,665.20/1,398,861.68 = 548,519.07/x
  3. Step 3: Cross multiply
    1,013,665.20x = 1,398,861.68 × 548,519.07
  4. Step 4: Simplify right side
    1,013,665.20x = 767,302,312,615.28
  5. Step 5: Solve for x
    x = 767,302,312,615.28/1,013,665.20
  6. Step 6: Final answer
    x = 756,958.33

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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.