Home / 693,338.40-1,040,007.63-453,653.68

Finding the Fourth Proportional to 693,338.40, 1,040,007.63 and 453,653.68

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Solution

The fourth proportional to 693,338.40, 1,040,007.63 and 453,653.68 is: 680,480.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,338.40 : 1,040,007.63 = 453,653.68 : x
  2. Step 2: Convert to fraction form
    693,338.40/1,040,007.63 = 453,653.68/x
  3. Step 3: Cross multiply
    693,338.40x = 1,040,007.63 × 453,653.68
  4. Step 4: Simplify right side
    693,338.40x = 471,803,288,577.58
  5. Step 5: Solve for x
    x = 471,803,288,577.58/693,338.40
  6. Step 6: Final answer
    x = 680,480.54

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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.