Home / 352,618.20-529,445.70-247,901.40

Finding the Fourth Proportional to 352,618.20, 529,445.70 and 247,901.40

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Solution

The fourth proportional to 352,618.20, 529,445.70 and 247,901.40 is: 372,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,618.20 : 529,445.70 = 247,901.40 : x
  2. Step 2: Convert to fraction form
    352,618.20/529,445.70 = 247,901.40/x
  3. Step 3: Cross multiply
    352,618.20x = 529,445.70 × 247,901.40
  4. Step 4: Simplify right side
    352,618.20x = 131,250,330,253.98
  5. Step 5: Solve for x
    x = 131,250,330,253.98/352,618.20
  6. Step 6: Final answer
    x = 372,216.55

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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.