Home / 807,238.70-1,113,995.09-463,089.64

Finding the Fourth Proportional to 807,238.70, 1,113,995.09 and 463,089.64

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Solution

The fourth proportional to 807,238.70, 1,113,995.09 and 463,089.64 is: 639,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,238.70 : 1,113,995.09 = 463,089.64 : x
  2. Step 2: Convert to fraction form
    807,238.70/1,113,995.09 = 463,089.64/x
  3. Step 3: Cross multiply
    807,238.70x = 1,113,995.09 × 463,089.64
  4. Step 4: Simplify right side
    807,238.70x = 515,879,585,189.87
  5. Step 5: Solve for x
    x = 515,879,585,189.87/807,238.70
  6. Step 6: Final answer
    x = 639,066.96

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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.