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Finding the Fourth Proportional to 1,175,972.04, 1,623,537.09 and 740,762.46

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Solution

The fourth proportional to 1,175,972.04, 1,623,537.09 and 740,762.46 is: 1,022,690.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,972.04 : 1,623,537.09 = 740,762.46 : x
  2. Step 2: Convert to fraction form
    1,175,972.04/1,623,537.09 = 740,762.46/x
  3. Step 3: Cross multiply
    1,175,972.04x = 1,623,537.09 × 740,762.46
  4. Step 4: Simplify right side
    1,175,972.04x = 1,202,655,328,689.64
  5. Step 5: Solve for x
    x = 1,202,655,328,689.64/1,175,972.04
  6. Step 6: Final answer
    x = 1,022,690.41

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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.