Home / 1,072,584.96-1,608,856.56-432,871.68

Finding the Fourth Proportional to 1,072,584.96, 1,608,856.56 and 432,871.68

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Solution

The fourth proportional to 1,072,584.96, 1,608,856.56 and 432,871.68 is: 649,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,584.96 : 1,608,856.56 = 432,871.68 : x
  2. Step 2: Convert to fraction form
    1,072,584.96/1,608,856.56 = 432,871.68/x
  3. Step 3: Cross multiply
    1,072,584.96x = 1,608,856.56 × 432,871.68
  4. Step 4: Simplify right side
    1,072,584.96x = 696,428,442,006.22
  5. Step 5: Solve for x
    x = 696,428,442,006.22/1,072,584.96
  6. Step 6: Final answer
    x = 649,299.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.