Home / 451,422.51-676,936.90-170,742.93

Finding the Fourth Proportional to 451,422.51, 676,936.90 and 170,742.93

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Solution

The fourth proportional to 451,422.51, 676,936.90 and 170,742.93 is: 256,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,422.51 : 676,936.90 = 170,742.93 : x
  2. Step 2: Convert to fraction form
    451,422.51/676,936.90 = 170,742.93/x
  3. Step 3: Cross multiply
    451,422.51x = 676,936.90 × 170,742.93
  4. Step 4: Simplify right side
    451,422.51x = 115,582,187,406.03
  5. Step 5: Solve for x
    x = 115,582,187,406.03/451,422.51
  6. Step 6: Final answer
    x = 256,039.93

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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.