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Finding the Fourth Proportional to 1,325,797.49, 1,827,995.39 and 1,031,532.77

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Solution

The fourth proportional to 1,325,797.49, 1,827,995.39 and 1,031,532.77 is: 1,422,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,797.49 : 1,827,995.39 = 1,031,532.77 : x
  2. Step 2: Convert to fraction form
    1,325,797.49/1,827,995.39 = 1,031,532.77/x
  3. Step 3: Cross multiply
    1,325,797.49x = 1,827,995.39 × 1,031,532.77
  4. Step 4: Simplify right side
    1,325,797.49x = 1,885,637,148,193.93
  5. Step 5: Solve for x
    x = 1,885,637,148,193.93/1,325,797.49
  6. Step 6: Final answer
    x = 1,422,266.34

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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.