Home / 706,521.20-1,060,235.40-391,204.40

Finding the Fourth Proportional to 706,521.20, 1,060,235.40 and 391,204.40

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Solution

The fourth proportional to 706,521.20, 1,060,235.40 and 391,204.40 is: 587,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,521.20 : 1,060,235.40 = 391,204.40 : x
  2. Step 2: Convert to fraction form
    706,521.20/1,060,235.40 = 391,204.40/x
  3. Step 3: Cross multiply
    706,521.20x = 1,060,235.40 × 391,204.40
  4. Step 4: Simplify right side
    706,521.20x = 414,768,753,515.76
  5. Step 5: Solve for x
    x = 414,768,753,515.76/706,521.20
  6. Step 6: Final answer
    x = 587,057.76

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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.