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Finding the Fourth Proportional to 1,201,856.44, 1,658,581.48 and 657,983.10

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Solution

The fourth proportional to 1,201,856.44, 1,658,581.48 and 657,983.10 is: 908,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,856.44 : 1,658,581.48 = 657,983.10 : x
  2. Step 2: Convert to fraction form
    1,201,856.44/1,658,581.48 = 657,983.10/x
  3. Step 3: Cross multiply
    1,201,856.44x = 1,658,581.48 × 657,983.10
  4. Step 4: Simplify right side
    1,201,856.44x = 1,091,318,583,812.99
  5. Step 5: Solve for x
    x = 1,091,318,583,812.99/1,201,856.44
  6. Step 6: Final answer
    x = 908,027.40

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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.