Home / 839,261.45-1,158,180.96-457,288.23

Finding the Fourth Proportional to 839,261.45, 1,158,180.96 and 457,288.23

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Solution

The fourth proportional to 839,261.45, 1,158,180.96 and 457,288.23 is: 631,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,261.45 : 1,158,180.96 = 457,288.23 : x
  2. Step 2: Convert to fraction form
    839,261.45/1,158,180.96 = 457,288.23/x
  3. Step 3: Cross multiply
    839,261.45x = 1,158,180.96 × 457,288.23
  4. Step 4: Simplify right side
    839,261.45x = 529,622,521,218.10
  5. Step 5: Solve for x
    x = 529,622,521,218.10/839,261.45
  6. Step 6: Final answer
    x = 631,057.85

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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.