Home / 985,628.04-1,360,110.85-555,882.54

Finding the Fourth Proportional to 985,628.04, 1,360,110.85 and 555,882.54

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Solution

The fourth proportional to 985,628.04, 1,360,110.85 and 555,882.54 is: 767,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,628.04 : 1,360,110.85 = 555,882.54 : x
  2. Step 2: Convert to fraction form
    985,628.04/1,360,110.85 = 555,882.54/x
  3. Step 3: Cross multiply
    985,628.04x = 1,360,110.85 × 555,882.54
  4. Step 4: Simplify right side
    985,628.04x = 756,061,873,979.56
  5. Step 5: Solve for x
    x = 756,061,873,979.56/985,628.04
  6. Step 6: Final answer
    x = 767,086.41

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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.