Home / 573,621.60-860,432.40-324,789.60

Finding the Fourth Proportional to 573,621.60, 860,432.40 and 324,789.60

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Solution

The fourth proportional to 573,621.60, 860,432.40 and 324,789.60 is: 487,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,621.60 : 860,432.40 = 324,789.60 : x
  2. Step 2: Convert to fraction form
    573,621.60/860,432.40 = 324,789.60/x
  3. Step 3: Cross multiply
    573,621.60x = 860,432.40 × 324,789.60
  4. Step 4: Simplify right side
    573,621.60x = 279,459,495,023.04
  5. Step 5: Solve for x
    x = 279,459,495,023.04/573,621.60
  6. Step 6: Final answer
    x = 487,184.40

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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.