Home / 784,203.72-1,170,993.78-622,465.08

Finding the Fourth Proportional to 784,203.72, 1,170,993.78 and 622,465.08

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Solution

The fourth proportional to 784,203.72, 1,170,993.78 and 622,465.08 is: 929,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,203.72 : 1,170,993.78 = 622,465.08 : x
  2. Step 2: Convert to fraction form
    784,203.72/1,170,993.78 = 622,465.08/x
  3. Step 3: Cross multiply
    784,203.72x = 1,170,993.78 × 622,465.08
  4. Step 4: Simplify right side
    784,203.72x = 728,902,736,947.20
  5. Step 5: Solve for x
    x = 728,902,736,947.20/784,203.72
  6. Step 6: Final answer
    x = 929,481.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.