Home / 1,540,671.42-2,310,555.59-580,434.21

Finding the Fourth Proportional to 1,540,671.42, 2,310,555.59 and 580,434.21

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Solution

The fourth proportional to 1,540,671.42, 2,310,555.59 and 580,434.21 is: 870,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,671.42 : 2,310,555.59 = 580,434.21 : x
  2. Step 2: Convert to fraction form
    1,540,671.42/2,310,555.59 = 580,434.21/x
  3. Step 3: Cross multiply
    1,540,671.42x = 2,310,555.59 × 580,434.21
  4. Step 4: Simplify right side
    1,540,671.42x = 1,341,125,505,640.56
  5. Step 5: Solve for x
    x = 1,341,125,505,640.56/1,540,671.42
  6. Step 6: Final answer
    x = 870,481.20

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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.