Home / 496,320.76-685,044.30-281,586.52

Finding the Fourth Proportional to 496,320.76, 685,044.30 and 281,586.52

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Solution

The fourth proportional to 496,320.76, 685,044.30 and 281,586.52 is: 388,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,320.76 : 685,044.30 = 281,586.52 : x
  2. Step 2: Convert to fraction form
    496,320.76/685,044.30 = 281,586.52/x
  3. Step 3: Cross multiply
    496,320.76x = 685,044.30 × 281,586.52
  4. Step 4: Simplify right side
    496,320.76x = 192,899,240,482.84
  5. Step 5: Solve for x
    x = 192,899,240,482.84/496,320.76
  6. Step 6: Final answer
    x = 388,658.42

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1.5x scale

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.