Home / 1,220,800.41-1,829,341.67-620,862.57

Finding the Fourth Proportional to 1,220,800.41, 1,829,341.67 and 620,862.57

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Solution

The fourth proportional to 1,220,800.41, 1,829,341.67 and 620,862.57 is: 930,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,800.41 : 1,829,341.67 = 620,862.57 : x
  2. Step 2: Convert to fraction form
    1,220,800.41/1,829,341.67 = 620,862.57/x
  3. Step 3: Cross multiply
    1,220,800.41x = 1,829,341.67 × 620,862.57
  4. Step 4: Simplify right side
    1,220,800.41x = 1,135,769,767,539.98
  5. Step 5: Solve for x
    x = 1,135,769,767,539.98/1,220,800.41
  6. Step 6: Final answer
    x = 930,348.45

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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.