Home / 998,801.76-1,378,352.20-546,092.76

Finding the Fourth Proportional to 998,801.76, 1,378,352.20 and 546,092.76

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Solution

The fourth proportional to 998,801.76, 1,378,352.20 and 546,092.76 is: 753,611.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,801.76 : 1,378,352.20 = 546,092.76 : x
  2. Step 2: Convert to fraction form
    998,801.76/1,378,352.20 = 546,092.76/x
  3. Step 3: Cross multiply
    998,801.76x = 1,378,352.20 × 546,092.76
  4. Step 4: Simplify right side
    998,801.76x = 752,708,157,150.07
  5. Step 5: Solve for x
    x = 752,708,157,150.07/998,801.76
  6. Step 6: Final answer
    x = 753,611.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.