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Finding the Fourth Proportional to 1,073,971.01, 1,481,711.21 and 665,926.02

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Solution

The fourth proportional to 1,073,971.01, 1,481,711.21 and 665,926.02 is: 918,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,971.01 : 1,481,711.21 = 665,926.02 : x
  2. Step 2: Convert to fraction form
    1,073,971.01/1,481,711.21 = 665,926.02/x
  3. Step 3: Cross multiply
    1,073,971.01x = 1,481,711.21 × 665,926.02
  4. Step 4: Simplify right side
    1,073,971.01x = 986,710,048,032.28
  5. Step 5: Solve for x
    x = 986,710,048,032.28/1,073,971.01
  6. Step 6: Final answer
    x = 918,749.24

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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.