Home / 531,221.60-795,520.20-395,961.32

Finding the Fourth Proportional to 531,221.60, 795,520.20 and 395,961.32

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Solution

The fourth proportional to 531,221.60, 795,520.20 and 395,961.32 is: 592,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,221.60 : 795,520.20 = 395,961.32 : x
  2. Step 2: Convert to fraction form
    531,221.60/795,520.20 = 395,961.32/x
  3. Step 3: Cross multiply
    531,221.60x = 795,520.20 × 395,961.32
  4. Step 4: Simplify right side
    531,221.60x = 314,995,228,478.66
  5. Step 5: Solve for x
    x = 314,995,228,478.66/531,221.60
  6. Step 6: Final answer
    x = 592,963.89

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Double scale
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1.5x scale

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.