Home / 283,628.34-391,507.40-253,361.07

Finding the Fourth Proportional to 283,628.34, 391,507.40 and 253,361.07

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Solution

The fourth proportional to 283,628.34, 391,507.40 and 253,361.07 is: 349,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,628.34 : 391,507.40 = 253,361.07 : x
  2. Step 2: Convert to fraction form
    283,628.34/391,507.40 = 253,361.07/x
  3. Step 3: Cross multiply
    283,628.34x = 391,507.40 × 253,361.07
  4. Step 4: Simplify right side
    283,628.34x = 99,192,733,776.92
  5. Step 5: Solve for x
    x = 99,192,733,776.92/283,628.34
  6. Step 6: Final answer
    x = 349,727.86

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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.