Home / 711,926.42-982,409.11-406,015.74

Finding the Fourth Proportional to 711,926.42, 982,409.11 and 406,015.74

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Solution

The fourth proportional to 711,926.42, 982,409.11 and 406,015.74 is: 560,273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,926.42 : 982,409.11 = 406,015.74 : x
  2. Step 2: Convert to fraction form
    711,926.42/982,409.11 = 406,015.74/x
  3. Step 3: Cross multiply
    711,926.42x = 982,409.11 × 406,015.74
  4. Step 4: Simplify right side
    711,926.42x = 398,873,560,764.35
  5. Step 5: Solve for x
    x = 398,873,560,764.35/711,926.42
  6. Step 6: Final answer
    x = 560,273.58

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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.