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Finding the Fourth Proportional to 1,254,889.04, 1,731,998.31 and 745,493

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Solution

The fourth proportional to 1,254,889.04, 1,731,998.31 and 745,493 is: 1,028,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,889.04 : 1,731,998.31 = 745,493 : x
  2. Step 2: Convert to fraction form
    1,254,889.04/1,731,998.31 = 745,493/x
  3. Step 3: Cross multiply
    1,254,889.04x = 1,731,998.31 × 745,493
  4. Step 4: Simplify right side
    1,254,889.04x = 1,291,192,616,116.83
  5. Step 5: Solve for x
    x = 1,291,192,616,116.83/1,254,889.04
  6. Step 6: Final answer
    x = 1,028,929.71

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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.