Home / 454,187.38-626,748.58-272,791.52

Finding the Fourth Proportional to 454,187.38, 626,748.58 and 272,791.52

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Solution

The fourth proportional to 454,187.38, 626,748.58 and 272,791.52 is: 376,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,187.38 : 626,748.58 = 272,791.52 : x
  2. Step 2: Convert to fraction form
    454,187.38/626,748.58 = 272,791.52/x
  3. Step 3: Cross multiply
    454,187.38x = 626,748.58 × 272,791.52
  4. Step 4: Simplify right side
    454,187.38x = 170,971,697,796.04
  5. Step 5: Solve for x
    x = 170,971,697,796.04/454,187.38
  6. Step 6: Final answer
    x = 376,434.28

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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.