Home / 809,892.17-1,215,063.53-354,402.24

Finding the Fourth Proportional to 809,892.17, 1,215,063.53 and 354,402.24

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Solution

The fourth proportional to 809,892.17, 1,215,063.53 and 354,402.24 is: 531,701.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,892.17 : 1,215,063.53 = 354,402.24 : x
  2. Step 2: Convert to fraction form
    809,892.17/1,215,063.53 = 354,402.24/x
  3. Step 3: Cross multiply
    809,892.17x = 1,215,063.53 × 354,402.24
  4. Step 4: Simplify right side
    809,892.17x = 430,621,236,774.31
  5. Step 5: Solve for x
    x = 430,621,236,774.31/809,892.17
  6. Step 6: Final answer
    x = 531,701.94

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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.