Home / 1,118,463.59-1,543,384.94-628,394.73

Finding the Fourth Proportional to 1,118,463.59, 1,543,384.94 and 628,394.73

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Solution

The fourth proportional to 1,118,463.59, 1,543,384.94 and 628,394.73 is: 867,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,463.59 : 1,543,384.94 = 628,394.73 : x
  2. Step 2: Convert to fraction form
    1,118,463.59/1,543,384.94 = 628,394.73/x
  3. Step 3: Cross multiply
    1,118,463.59x = 1,543,384.94 × 628,394.73
  4. Step 4: Simplify right side
    1,118,463.59x = 969,854,959,515.39
  5. Step 5: Solve for x
    x = 969,854,959,515.39/1,118,463.59
  6. Step 6: Final answer
    x = 867,131.46

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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.