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Finding the Fourth Proportional to 1,406,896.22, 1,941,518.52 and 762,315.92

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Solution

The fourth proportional to 1,406,896.22, 1,941,518.52 and 762,315.92 is: 1,051,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,896.22 : 1,941,518.52 = 762,315.92 : x
  2. Step 2: Convert to fraction form
    1,406,896.22/1,941,518.52 = 762,315.92/x
  3. Step 3: Cross multiply
    1,406,896.22x = 1,941,518.52 × 762,315.92
  4. Step 4: Simplify right side
    1,406,896.22x = 1,480,050,476,770.84
  5. Step 5: Solve for x
    x = 1,480,050,476,770.84/1,406,896.22
  6. Step 6: Final answer
    x = 1,051,996.91

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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.