Home / 941,489.58-1,299,240.24-511,780.50

Finding the Fourth Proportional to 941,489.58, 1,299,240.24 and 511,780.50

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Solution

The fourth proportional to 941,489.58, 1,299,240.24 and 511,780.50 is: 706,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,489.58 : 1,299,240.24 = 511,780.50 : x
  2. Step 2: Convert to fraction form
    941,489.58/1,299,240.24 = 511,780.50/x
  3. Step 3: Cross multiply
    941,489.58x = 1,299,240.24 × 511,780.50
  4. Step 4: Simplify right side
    941,489.58x = 664,925,819,647.32
  5. Step 5: Solve for x
    x = 664,925,819,647.32/941,489.58
  6. Step 6: Final answer
    x = 706,248.73

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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.