Home / 496,210.08-684,755.28-281,369.76

Finding the Fourth Proportional to 496,210.08, 684,755.28 and 281,369.76

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Solution

The fourth proportional to 496,210.08, 684,755.28 and 281,369.76 is: 388,281.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,210.08 : 684,755.28 = 281,369.76 : x
  2. Step 2: Convert to fraction form
    496,210.08/684,755.28 = 281,369.76/x
  3. Step 3: Cross multiply
    496,210.08x = 684,755.28 × 281,369.76
  4. Step 4: Simplify right side
    496,210.08x = 192,669,428,792.33
  5. Step 5: Solve for x
    x = 192,669,428,792.33/496,210.08
  6. Step 6: Final answer
    x = 388,281.97

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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.