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Finding the Fourth Proportional to 1,972,107, 2,956,167.54 and 773,559.90

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Solution

The fourth proportional to 1,972,107, 2,956,167.54 and 773,559.90 is: 1,159,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,107 : 2,956,167.54 = 773,559.90 : x
  2. Step 2: Convert to fraction form
    1,972,107/2,956,167.54 = 773,559.90/x
  3. Step 3: Cross multiply
    1,972,107x = 2,956,167.54 × 773,559.90
  4. Step 4: Simplify right side
    1,972,107x = 2,286,772,666,625.65
  5. Step 5: Solve for x
    x = 2,286,772,666,625.65/1,972,107
  6. Step 6: Final answer
    x = 1,159,558.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.