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Finding the Fourth Proportional to 1,246,071.06, 1,719,579.58 and 673,111.24

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Solution

The fourth proportional to 1,246,071.06, 1,719,579.58 and 673,111.24 is: 928,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,071.06 : 1,719,579.58 = 673,111.24 : x
  2. Step 2: Convert to fraction form
    1,246,071.06/1,719,579.58 = 673,111.24/x
  3. Step 3: Cross multiply
    1,246,071.06x = 1,719,579.58 × 673,111.24
  4. Step 4: Simplify right side
    1,246,071.06x = 1,157,468,343,372.48
  5. Step 5: Solve for x
    x = 1,157,468,343,372.48/1,246,071.06
  6. Step 6: Final answer
    x = 928,894.33

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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.