Home / 514,453.09-709,974.77-288,096.61

Finding the Fourth Proportional to 514,453.09, 709,974.77 and 288,096.61

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Solution

The fourth proportional to 514,453.09, 709,974.77 and 288,096.61 is: 397,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,453.09 : 709,974.77 = 288,096.61 : x
  2. Step 2: Convert to fraction form
    514,453.09/709,974.77 = 288,096.61/x
  3. Step 3: Cross multiply
    514,453.09x = 709,974.77 × 288,096.61
  4. Step 4: Simplify right side
    514,453.09x = 204,541,322,982.05
  5. Step 5: Solve for x
    x = 204,541,322,982.05/514,453.09
  6. Step 6: Final answer
    x = 397,589.84

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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.