Home / 929,503.05-1,394,225.41-511,406.97

Finding the Fourth Proportional to 929,503.05, 1,394,225.41 and 511,406.97

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Solution

The fourth proportional to 929,503.05, 1,394,225.41 and 511,406.97 is: 767,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,503.05 : 1,394,225.41 = 511,406.97 : x
  2. Step 2: Convert to fraction form
    929,503.05/1,394,225.41 = 511,406.97/x
  3. Step 3: Cross multiply
    929,503.05x = 1,394,225.41 × 511,406.97
  4. Step 4: Simplify right side
    929,503.05x = 713,016,592,425.11
  5. Step 5: Solve for x
    x = 713,016,592,425.11/929,503.05
  6. Step 6: Final answer
    x = 767,094.41

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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.