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Finding the Fourth Proportional to 1,407,802.22, 1,944,370.86 and 954,305.90

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Solution

The fourth proportional to 1,407,802.22, 1,944,370.86 and 954,305.90 is: 1,318,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,802.22 : 1,944,370.86 = 954,305.90 : x
  2. Step 2: Convert to fraction form
    1,407,802.22/1,944,370.86 = 954,305.90/x
  3. Step 3: Cross multiply
    1,407,802.22x = 1,944,370.86 × 954,305.90
  4. Step 4: Simplify right side
    1,407,802.22x = 1,855,524,582,844.93
  5. Step 5: Solve for x
    x = 1,855,524,582,844.93/1,407,802.22
  6. Step 6: Final answer
    x = 1,318,029.31

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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.