Home / 874,884.12-1,312,201.56-275,767.41

Finding the Fourth Proportional to 874,884.12, 1,312,201.56 and 275,767.41

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Solution

The fourth proportional to 874,884.12, 1,312,201.56 and 275,767.41 is: 413,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,884.12 : 1,312,201.56 = 275,767.41 : x
  2. Step 2: Convert to fraction form
    874,884.12/1,312,201.56 = 275,767.41/x
  3. Step 3: Cross multiply
    874,884.12x = 1,312,201.56 × 275,767.41
  4. Step 4: Simplify right side
    874,884.12x = 361,862,425,599.16
  5. Step 5: Solve for x
    x = 361,862,425,599.16/874,884.12
  6. Step 6: Final answer
    x = 413,611.84

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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.