Home / 612,985.41-919,468.88-275,787.95

Finding the Fourth Proportional to 612,985.41, 919,468.88 and 275,787.95

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Solution

The fourth proportional to 612,985.41, 919,468.88 and 275,787.95 is: 413,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,985.41 : 919,468.88 = 275,787.95 : x
  2. Step 2: Convert to fraction form
    612,985.41/919,468.88 = 275,787.95/x
  3. Step 3: Cross multiply
    612,985.41x = 919,468.88 × 275,787.95
  4. Step 4: Simplify right side
    612,985.41x = 253,578,431,527.71
  5. Step 5: Solve for x
    x = 253,578,431,527.71/612,985.41
  6. Step 6: Final answer
    x = 413,677.76

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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.