Home / 1,123,272.66-1,685,204.43-403,687.06

Finding the Fourth Proportional to 1,123,272.66, 1,685,204.43 and 403,687.06

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Solution

The fourth proportional to 1,123,272.66, 1,685,204.43 and 403,687.06 is: 605,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,272.66 : 1,685,204.43 = 403,687.06 : x
  2. Step 2: Convert to fraction form
    1,123,272.66/1,685,204.43 = 403,687.06/x
  3. Step 3: Cross multiply
    1,123,272.66x = 1,685,204.43 × 403,687.06
  4. Step 4: Simplify right side
    1,123,272.66x = 680,295,221,845.68
  5. Step 5: Solve for x
    x = 680,295,221,845.68/1,123,272.66
  6. Step 6: Final answer
    x = 605,636.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.