Home / 612,973.88-919,451.60-275,776.41

Finding the Fourth Proportional to 612,973.88, 919,451.60 and 275,776.41

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Solution

The fourth proportional to 612,973.88, 919,451.60 and 275,776.41 is: 413,660.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,973.88 : 919,451.60 = 275,776.41 : x
  2. Step 2: Convert to fraction form
    612,973.88/919,451.60 = 275,776.41/x
  3. Step 3: Cross multiply
    612,973.88x = 919,451.60 × 275,776.41
  4. Step 4: Simplify right side
    612,973.88x = 253,563,060,037.87
  5. Step 5: Solve for x
    x = 253,563,060,037.87/612,973.88
  6. Step 6: Final answer
    x = 413,660.47

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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.