Home / 711,922.46-982,736.43-467,000.42

Finding the Fourth Proportional to 711,922.46, 982,736.43 and 467,000.42

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Solution

The fourth proportional to 711,922.46, 982,736.43 and 467,000.42 is: 644,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922.46 : 982,736.43 = 467,000.42 : x
  2. Step 2: Convert to fraction form
    711,922.46/982,736.43 = 467,000.42/x
  3. Step 3: Cross multiply
    711,922.46x = 982,736.43 × 467,000.42
  4. Step 4: Simplify right side
    711,922.46x = 458,938,325,559.30
  5. Step 5: Solve for x
    x = 458,938,325,559.30/711,922.46
  6. Step 6: Final answer
    x = 644,646.50

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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.