Home / 744,513.12-1,027,406.16-422,252.64

Finding the Fourth Proportional to 744,513.12, 1,027,406.16 and 422,252.64

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Solution

The fourth proportional to 744,513.12, 1,027,406.16 and 422,252.64 is: 582,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,513.12 : 1,027,406.16 = 422,252.64 : x
  2. Step 2: Convert to fraction form
    744,513.12/1,027,406.16 = 422,252.64/x
  3. Step 3: Cross multiply
    744,513.12x = 1,027,406.16 × 422,252.64
  4. Step 4: Simplify right side
    744,513.12x = 433,824,963,412.26
  5. Step 5: Solve for x
    x = 433,824,963,412.26/744,513.12
  6. Step 6: Final answer
    x = 582,696.20

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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.