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Finding the Fourth Proportional to 1,304,064.33, 1,797,955.06 and 931,971.91

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Solution

The fourth proportional to 1,304,064.33, 1,797,955.06 and 931,971.91 is: 1,284,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,064.33 : 1,797,955.06 = 931,971.91 : x
  2. Step 2: Convert to fraction form
    1,304,064.33/1,797,955.06 = 931,971.91/x
  3. Step 3: Cross multiply
    1,304,064.33x = 1,797,955.06 × 931,971.91
  4. Step 4: Simplify right side
    1,304,064.33x = 1,675,643,609,656.16
  5. Step 5: Solve for x
    x = 1,675,643,609,656.16/1,304,064.33
  6. Step 6: Final answer
    x = 1,284,939.37

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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.