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Finding the Fourth Proportional to 1,343,817, 1,854,467.46 and 740,205

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Solution

The fourth proportional to 1,343,817, 1,854,467.46 and 740,205 is: 1,021,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,817 : 1,854,467.46 = 740,205 : x
  2. Step 2: Convert to fraction form
    1,343,817/1,854,467.46 = 740,205/x
  3. Step 3: Cross multiply
    1,343,817x = 1,854,467.46 × 740,205
  4. Step 4: Simplify right side
    1,343,817x = 1,372,686,086,229.30
  5. Step 5: Solve for x
    x = 1,372,686,086,229.30/1,343,817
  6. Step 6: Final answer
    x = 1,021,482.90

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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.