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Finding the Fourth Proportional to 1,255,950, 1,733,367.96 and 719,406

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Solution

The fourth proportional to 1,255,950, 1,733,367.96 and 719,406 is: 992,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,950 : 1,733,367.96 = 719,406 : x
  2. Step 2: Convert to fraction form
    1,255,950/1,733,367.96 = 719,406/x
  3. Step 3: Cross multiply
    1,255,950x = 1,733,367.96 × 719,406
  4. Step 4: Simplify right side
    1,255,950x = 1,246,995,310,631.76
  5. Step 5: Solve for x
    x = 1,246,995,310,631.76/1,255,950
  6. Step 6: Final answer
    x = 992,870.19

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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.