Home / 839,057.20-1,258,768.05-306,577.38

Finding the Fourth Proportional to 839,057.20, 1,258,768.05 and 306,577.38

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Solution

The fourth proportional to 839,057.20, 1,258,768.05 and 306,577.38 is: 459,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,057.20 : 1,258,768.05 = 306,577.38 : x
  2. Step 2: Convert to fraction form
    839,057.20/1,258,768.05 = 306,577.38/x
  3. Step 3: Cross multiply
    839,057.20x = 1,258,768.05 × 306,577.38
  4. Step 4: Simplify right side
    839,057.20x = 385,909,810,796.71
  5. Step 5: Solve for x
    x = 385,909,810,796.71/839,057.20
  6. Step 6: Final answer
    x = 459,932.66

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1.5x scale

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.