Home / 454,207.14-626,133.38-290,845.53

Finding the Fourth Proportional to 454,207.14, 626,133.38 and 290,845.53

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Solution

The fourth proportional to 454,207.14, 626,133.38 and 290,845.53 is: 400,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,207.14 : 626,133.38 = 290,845.53 : x
  2. Step 2: Convert to fraction form
    454,207.14/626,133.38 = 290,845.53/x
  3. Step 3: Cross multiply
    454,207.14x = 626,133.38 × 290,845.53
  4. Step 4: Simplify right side
    454,207.14x = 182,108,093,302.56
  5. Step 5: Solve for x
    x = 182,108,093,302.56/454,207.14
  6. Step 6: Final answer
    x = 400,936.22

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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.