Home / 935,519.76-1,291,217.56-591,137.06

Finding the Fourth Proportional to 935,519.76, 1,291,217.56 and 591,137.06

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Solution

The fourth proportional to 935,519.76, 1,291,217.56 and 591,137.06 is: 815,895.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,519.76 : 1,291,217.56 = 591,137.06 : x
  2. Step 2: Convert to fraction form
    935,519.76/1,291,217.56 = 591,137.06/x
  3. Step 3: Cross multiply
    935,519.76x = 1,291,217.56 × 591,137.06
  4. Step 4: Simplify right side
    935,519.76x = 763,286,544,304.84
  5. Step 5: Solve for x
    x = 763,286,544,304.84/935,519.76
  6. Step 6: Final answer
    x = 815,895.69

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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.