Home / 1,137,559.06-1,569,821.88-628,250.50

Finding the Fourth Proportional to 1,137,559.06, 1,569,821.88 and 628,250.50

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Solution

The fourth proportional to 1,137,559.06, 1,569,821.88 and 628,250.50 is: 866,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,559.06 : 1,569,821.88 = 628,250.50 : x
  2. Step 2: Convert to fraction form
    1,137,559.06/1,569,821.88 = 628,250.50/x
  3. Step 3: Cross multiply
    1,137,559.06x = 1,569,821.88 × 628,250.50
  4. Step 4: Simplify right side
    1,137,559.06x = 986,241,381,020.94
  5. Step 5: Solve for x
    x = 986,241,381,020.94/1,137,559.06
  6. Step 6: Final answer
    x = 866,980.38

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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.