Home / 479,926.63-662,286.83-275,972.69

Finding the Fourth Proportional to 479,926.63, 662,286.83 and 275,972.69

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Solution

The fourth proportional to 479,926.63, 662,286.83 and 275,972.69 is: 380,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,926.63 : 662,286.83 = 275,972.69 : x
  2. Step 2: Convert to fraction form
    479,926.63/662,286.83 = 275,972.69/x
  3. Step 3: Cross multiply
    479,926.63x = 662,286.83 × 275,972.69
  4. Step 4: Simplify right side
    479,926.63x = 182,773,073,335.38
  5. Step 5: Solve for x
    x = 182,773,073,335.38/479,926.63
  6. Step 6: Final answer
    x = 380,835.45

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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.