Home / 1,245,177.70-1,867,766.55-403,729.45

Finding the Fourth Proportional to 1,245,177.70, 1,867,766.55 and 403,729.45

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Solution

The fourth proportional to 1,245,177.70, 1,867,766.55 and 403,729.45 is: 605,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,177.70 : 1,867,766.55 = 403,729.45 : x
  2. Step 2: Convert to fraction form
    1,245,177.70/1,867,766.55 = 403,729.45/x
  3. Step 3: Cross multiply
    1,245,177.70x = 1,867,766.55 × 403,729.45
  4. Step 4: Simplify right side
    1,245,177.70x = 754,072,361,959.90
  5. Step 5: Solve for x
    x = 754,072,361,959.90/1,245,177.70
  6. Step 6: Final answer
    x = 605,594.18

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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.