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Finding the Fourth Proportional to 1,407,900.76, 1,944,506.76 and 954,404.44

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Solution

The fourth proportional to 1,407,900.76, 1,944,506.76 and 954,404.44 is: 1,318,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,900.76 : 1,944,506.76 = 954,404.44 : x
  2. Step 2: Convert to fraction form
    1,407,900.76/1,944,506.76 = 954,404.44/x
  3. Step 3: Cross multiply
    1,407,900.76x = 1,944,506.76 × 954,404.44
  4. Step 4: Simplify right side
    1,407,900.76x = 1,855,845,885,354.01
  5. Step 5: Solve for x
    x = 1,855,845,885,354.01/1,407,900.76
  6. Step 6: Final answer
    x = 1,318,165.27

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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.