Home / 839,710.80-1,259,527.91-271,118.12

Finding the Fourth Proportional to 839,710.80, 1,259,527.91 and 271,118.12

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Solution

The fourth proportional to 839,710.80, 1,259,527.91 and 271,118.12 is: 406,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,710.80 : 1,259,527.91 = 271,118.12 : x
  2. Step 2: Convert to fraction form
    839,710.80/1,259,527.91 = 271,118.12/x
  3. Step 3: Cross multiply
    839,710.80x = 1,259,527.91 × 271,118.12
  4. Step 4: Simplify right side
    839,710.80x = 341,480,831,393.50
  5. Step 5: Solve for x
    x = 341,480,831,393.50/839,710.80
  6. Step 6: Final answer
    x = 406,664.81

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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.