Home / 1,323,804.81-1,985,453.25-514,188.33

Finding the Fourth Proportional to 1,323,804.81, 1,985,453.25 and 514,188.33

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Solution

The fourth proportional to 1,323,804.81, 1,985,453.25 and 514,188.33 is: 771,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,804.81 : 1,985,453.25 = 514,188.33 : x
  2. Step 2: Convert to fraction form
    1,323,804.81/1,985,453.25 = 514,188.33/x
  3. Step 3: Cross multiply
    1,323,804.81x = 1,985,453.25 × 514,188.33
  4. Step 4: Simplify right side
    1,323,804.81x = 1,020,896,890,910.57
  5. Step 5: Solve for x
    x = 1,020,896,890,910.57/1,323,804.81
  6. Step 6: Final answer
    x = 771,183.85

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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.