Home / 654,284.84-981,426.06-205,040.12

Finding the Fourth Proportional to 654,284.84, 981,426.06 and 205,040.12

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Solution

The fourth proportional to 654,284.84, 981,426.06 and 205,040.12 is: 307,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,284.84 : 981,426.06 = 205,040.12 : x
  2. Step 2: Convert to fraction form
    654,284.84/981,426.06 = 205,040.12/x
  3. Step 3: Cross multiply
    654,284.84x = 981,426.06 × 205,040.12
  4. Step 4: Simplify right side
    654,284.84x = 201,231,717,113.53
  5. Step 5: Solve for x
    x = 201,231,717,113.53/654,284.84
  6. Step 6: Final answer
    x = 307,559.80

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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.