Home / 681,933.60-1,023,530.64-345,210.56

Finding the Fourth Proportional to 681,933.60, 1,023,530.64 and 345,210.56

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Solution

The fourth proportional to 681,933.60, 1,023,530.64 and 345,210.56 is: 518,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,933.60 : 1,023,530.64 = 345,210.56 : x
  2. Step 2: Convert to fraction form
    681,933.60/1,023,530.64 = 345,210.56/x
  3. Step 3: Cross multiply
    681,933.60x = 1,023,530.64 × 345,210.56
  4. Step 4: Simplify right side
    681,933.60x = 353,333,585,411.56
  5. Step 5: Solve for x
    x = 353,333,585,411.56/681,933.60
  6. Step 6: Final answer
    x = 518,134.88

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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.