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Finding the Fourth Proportional to 1,300,974.40, 1,795,365.93 and 712,264.02

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Solution

The fourth proportional to 1,300,974.40, 1,795,365.93 and 712,264.02 is: 982,935.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,974.40 : 1,795,365.93 = 712,264.02 : x
  2. Step 2: Convert to fraction form
    1,300,974.40/1,795,365.93 = 712,264.02/x
  3. Step 3: Cross multiply
    1,300,974.40x = 1,795,365.93 × 712,264.02
  4. Step 4: Simplify right side
    1,300,974.40x = 1,278,774,554,672.84
  5. Step 5: Solve for x
    x = 1,278,774,554,672.84/1,300,974.40
  6. Step 6: Final answer
    x = 982,935.99

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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.