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Finding the Fourth Proportional to 1,344,510, 1,855,463.40 and 740,936.88

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Solution

The fourth proportional to 1,344,510, 1,855,463.40 and 740,936.88 is: 1,022,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,510 : 1,855,463.40 = 740,936.88 : x
  2. Step 2: Convert to fraction form
    1,344,510/1,855,463.40 = 740,936.88/x
  3. Step 3: Cross multiply
    1,344,510x = 1,855,463.40 × 740,936.88
  4. Step 4: Simplify right side
    1,344,510x = 1,374,781,262,550.19
  5. Step 5: Solve for x
    x = 1,374,781,262,550.19/1,344,510
  6. Step 6: Final answer
    x = 1,022,514.72

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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.