Home / 1,230,965.40-1,846,188.90-521,016.60

Finding the Fourth Proportional to 1,230,965.40, 1,846,188.90 and 521,016.60

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Solution

The fourth proportional to 1,230,965.40, 1,846,188.90 and 521,016.60 is: 781,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,965.40 : 1,846,188.90 = 521,016.60 : x
  2. Step 2: Convert to fraction form
    1,230,965.40/1,846,188.90 = 521,016.60/x
  3. Step 3: Cross multiply
    1,230,965.40x = 1,846,188.90 × 521,016.60
  4. Step 4: Simplify right side
    1,230,965.40x = 961,895,063,635.74
  5. Step 5: Solve for x
    x = 961,895,063,635.74/1,230,965.40
  6. Step 6: Final answer
    x = 781,415.19

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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.