Home / 1,226,696.46-1,840,421.18-628,077.90

Finding the Fourth Proportional to 1,226,696.46, 1,840,421.18 and 628,077.90

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Solution

The fourth proportional to 1,226,696.46, 1,840,421.18 and 628,077.90 is: 942,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,696.46 : 1,840,421.18 = 628,077.90 : x
  2. Step 2: Convert to fraction form
    1,226,696.46/1,840,421.18 = 628,077.90/x
  3. Step 3: Cross multiply
    1,226,696.46x = 1,840,421.18 × 628,077.90
  4. Step 4: Simplify right side
    1,226,696.46x = 1,155,927,878,321.70
  5. Step 5: Solve for x
    x = 1,155,927,878,321.70/1,226,696.46
  6. Step 6: Final answer
    x = 942,309.63

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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.