Home / 1,043,640.56-1,564,891.73-314,057.48

Finding the Fourth Proportional to 1,043,640.56, 1,564,891.73 and 314,057.48

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Solution

The fourth proportional to 1,043,640.56, 1,564,891.73 and 314,057.48 is: 470,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,640.56 : 1,564,891.73 = 314,057.48 : x
  2. Step 2: Convert to fraction form
    1,043,640.56/1,564,891.73 = 314,057.48/x
  3. Step 3: Cross multiply
    1,043,640.56x = 1,564,891.73 × 314,057.48
  4. Step 4: Simplify right side
    1,043,640.56x = 491,465,943,801.89
  5. Step 5: Solve for x
    x = 491,465,943,801.89/1,043,640.56
  6. Step 6: Final answer
    x = 470,914.95

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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.