Home / 496,166.86-684,689.60-281,321.46

Finding the Fourth Proportional to 496,166.86, 684,689.60 and 281,321.46

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Solution

The fourth proportional to 496,166.86, 684,689.60 and 281,321.46 is: 388,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,166.86 : 684,689.60 = 281,321.46 : x
  2. Step 2: Convert to fraction form
    496,166.86/684,689.60 = 281,321.46/x
  3. Step 3: Cross multiply
    496,166.86x = 684,689.60 × 281,321.46
  4. Step 4: Simplify right side
    496,166.86x = 192,617,877,918.82
  5. Step 5: Solve for x
    x = 192,617,877,918.82/496,166.86
  6. Step 6: Final answer
    x = 388,211.90

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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.