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Finding the Fourth Proportional to 1,784,575.71, 2,462,454.54 and 1,020,481.65

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Solution

The fourth proportional to 1,784,575.71, 2,462,454.54 and 1,020,481.65 is: 1,408,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,575.71 : 2,462,454.54 = 1,020,481.65 : x
  2. Step 2: Convert to fraction form
    1,784,575.71/2,462,454.54 = 1,020,481.65/x
  3. Step 3: Cross multiply
    1,784,575.71x = 2,462,454.54 × 1,020,481.65
  4. Step 4: Simplify right side
    1,784,575.71x = 2,512,889,672,029.19
  5. Step 5: Solve for x
    x = 2,512,889,672,029.19/1,784,575.71
  6. Step 6: Final answer
    x = 1,408,116.03

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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.