Home / 612,984.73-919,467.85-275,787.26

Finding the Fourth Proportional to 612,984.73, 919,467.85 and 275,787.26

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Solution

The fourth proportional to 612,984.73, 919,467.85 and 275,787.26 is: 413,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,984.73 : 919,467.85 = 275,787.26 : x
  2. Step 2: Convert to fraction form
    612,984.73/919,467.85 = 275,787.26/x
  3. Step 3: Cross multiply
    612,984.73x = 919,467.85 × 275,787.26
  4. Step 4: Simplify right side
    612,984.73x = 253,577,522,859.90
  5. Step 5: Solve for x
    x = 253,577,522,859.90/612,984.73
  6. Step 6: Final answer
    x = 413,676.74

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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.