Home / 591,969.60-886,204.80-392,515.20

Finding the Fourth Proportional to 591,969.60, 886,204.80 and 392,515.20

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Solution

The fourth proportional to 591,969.60, 886,204.80 and 392,515.20 is: 587,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,969.60 : 886,204.80 = 392,515.20 : x
  2. Step 2: Convert to fraction form
    591,969.60/886,204.80 = 392,515.20/x
  3. Step 3: Cross multiply
    591,969.60x = 886,204.80 × 392,515.20
  4. Step 4: Simplify right side
    591,969.60x = 347,848,854,312.96
  5. Step 5: Solve for x
    x = 347,848,854,312.96/591,969.60
  6. Step 6: Final answer
    x = 587,612.70

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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.