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Finding the Fourth Proportional to 1,539,489, 2,124,427.99 and 841,757.03

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Solution

The fourth proportional to 1,539,489, 2,124,427.99 and 841,757.03 is: 1,161,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,489 : 2,124,427.99 = 841,757.03 : x
  2. Step 2: Convert to fraction form
    1,539,489/2,124,427.99 = 841,757.03/x
  3. Step 3: Cross multiply
    1,539,489x = 2,124,427.99 × 841,757.03
  4. Step 4: Simplify right side
    1,539,489x = 1,788,252,195,311.27
  5. Step 5: Solve for x
    x = 1,788,252,195,311.27/1,539,489
  6. Step 6: Final answer
    x = 1,161,588.16

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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.