Home / 706,520.20-1,060,233.90-391,203.40

Finding the Fourth Proportional to 706,520.20, 1,060,233.90 and 391,203.40

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Solution

The fourth proportional to 706,520.20, 1,060,233.90 and 391,203.40 is: 587,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,520.20 : 1,060,233.90 = 391,203.40 : x
  2. Step 2: Convert to fraction form
    706,520.20/1,060,233.90 = 391,203.40/x
  3. Step 3: Cross multiply
    706,520.20x = 1,060,233.90 × 391,203.40
  4. Step 4: Simplify right side
    706,520.20x = 414,767,106,475.26
  5. Step 5: Solve for x
    x = 414,767,106,475.26/706,520.20
  6. Step 6: Final answer
    x = 587,056.26

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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.