Home / 744,724.26-1,027,721.52-405,192.51

Finding the Fourth Proportional to 744,724.26, 1,027,721.52 and 405,192.51

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Solution

The fourth proportional to 744,724.26, 1,027,721.52 and 405,192.51 is: 559,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,724.26 : 1,027,721.52 = 405,192.51 : x
  2. Step 2: Convert to fraction form
    744,724.26/1,027,721.52 = 405,192.51/x
  3. Step 3: Cross multiply
    744,724.26x = 1,027,721.52 × 405,192.51
  4. Step 4: Simplify right side
    744,724.26x = 416,425,062,269.82
  5. Step 5: Solve for x
    x = 416,425,062,269.82/744,724.26
  6. Step 6: Final answer
    x = 559,166.77

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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.