Home / 706,519.20-1,060,232.40-391,202.40

Finding the Fourth Proportional to 706,519.20, 1,060,232.40 and 391,202.40

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Solution

The fourth proportional to 706,519.20, 1,060,232.40 and 391,202.40 is: 587,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,519.20 : 1,060,232.40 = 391,202.40 : x
  2. Step 2: Convert to fraction form
    706,519.20/1,060,232.40 = 391,202.40/x
  3. Step 3: Cross multiply
    706,519.20x = 1,060,232.40 × 391,202.40
  4. Step 4: Simplify right side
    706,519.20x = 414,765,459,437.76
  5. Step 5: Solve for x
    x = 414,765,459,437.76/706,519.20
  6. Step 6: Final answer
    x = 587,054.76

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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.