Home / 451,429.29-623,093.99-281,562.57

Finding the Fourth Proportional to 451,429.29, 623,093.99 and 281,562.57

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Solution

The fourth proportional to 451,429.29, 623,093.99 and 281,562.57 is: 388,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,429.29 : 623,093.99 = 281,562.57 : x
  2. Step 2: Convert to fraction form
    451,429.29/623,093.99 = 281,562.57/x
  3. Step 3: Cross multiply
    451,429.29x = 623,093.99 × 281,562.57
  4. Step 4: Simplify right side
    451,429.29x = 175,439,943,768.14
  5. Step 5: Solve for x
    x = 175,439,943,768.14/451,429.29
  6. Step 6: Final answer
    x = 388,632.17

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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.