Home / 569,583.12-785,993.31-314,917.50

Finding the Fourth Proportional to 569,583.12, 785,993.31 and 314,917.50

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Solution

The fourth proportional to 569,583.12, 785,993.31 and 314,917.50 is: 434,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,583.12 : 785,993.31 = 314,917.50 : x
  2. Step 2: Convert to fraction form
    569,583.12/785,993.31 = 314,917.50/x
  3. Step 3: Cross multiply
    569,583.12x = 785,993.31 × 314,917.50
  4. Step 4: Simplify right side
    569,583.12x = 247,523,048,201.93
  5. Step 5: Solve for x
    x = 247,523,048,201.93/569,583.12
  6. Step 6: Final answer
    x = 434,568.79

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1.5x scale

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.