Home / 852,513.60-1,278,770.24-253,472.32

Finding the Fourth Proportional to 852,513.60, 1,278,770.24 and 253,472.32

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Solution

The fourth proportional to 852,513.60, 1,278,770.24 and 253,472.32 is: 380,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,513.60 : 1,278,770.24 = 253,472.32 : x
  2. Step 2: Convert to fraction form
    852,513.60/1,278,770.24 = 253,472.32/x
  3. Step 3: Cross multiply
    852,513.60x = 1,278,770.24 × 253,472.32
  4. Step 4: Simplify right side
    852,513.60x = 324,132,859,479.76
  5. Step 5: Solve for x
    x = 324,132,859,479.76/852,513.60
  6. Step 6: Final answer
    x = 380,208.43

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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.