Home / 1,256,658.91-1,734,196.84-683,703.18

Finding the Fourth Proportional to 1,256,658.91, 1,734,196.84 and 683,703.18

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Solution

The fourth proportional to 1,256,658.91, 1,734,196.84 and 683,703.18 is: 943,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,658.91 : 1,734,196.84 = 683,703.18 : x
  2. Step 2: Convert to fraction form
    1,256,658.91/1,734,196.84 = 683,703.18/x
  3. Step 3: Cross multiply
    1,256,658.91x = 1,734,196.84 × 683,703.18
  4. Step 4: Simplify right side
    1,256,658.91x = 1,185,675,892,544.69
  5. Step 5: Solve for x
    x = 1,185,675,892,544.69/1,256,658.91
  6. Step 6: Final answer
    x = 943,514.49

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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.