Home / 929,503.20-1,394,225.64-511,407.12

Finding the Fourth Proportional to 929,503.20, 1,394,225.64 and 511,407.12

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Solution

The fourth proportional to 929,503.20, 1,394,225.64 and 511,407.12 is: 767,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,503.20 : 1,394,225.64 = 511,407.12 : x
  2. Step 2: Convert to fraction form
    929,503.20/1,394,225.64 = 511,407.12/x
  3. Step 3: Cross multiply
    929,503.20x = 1,394,225.64 × 511,407.12
  4. Step 4: Simplify right side
    929,503.20x = 713,016,919,182.56
  5. Step 5: Solve for x
    x = 713,016,919,182.56/929,503.20
  6. Step 6: Final answer
    x = 767,094.64

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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.