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Finding the Fourth Proportional to 1,404,560.06, 1,938,279.08 and 759,966.11

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Solution

The fourth proportional to 1,404,560.06, 1,938,279.08 and 759,966.11 is: 1,048,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,560.06 : 1,938,279.08 = 759,966.11 : x
  2. Step 2: Convert to fraction form
    1,404,560.06/1,938,279.08 = 759,966.11/x
  3. Step 3: Cross multiply
    1,404,560.06x = 1,938,279.08 × 759,966.11
  4. Step 4: Simplify right side
    1,404,560.06x = 1,473,026,405,776.37
  5. Step 5: Solve for x
    x = 1,473,026,405,776.37/1,404,560.06
  6. Step 6: Final answer
    x = 1,048,745.76

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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.