Home / 684,958.34-1,023,237.45-493,787.21

Finding the Fourth Proportional to 684,958.34, 1,023,237.45 and 493,787.21

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Solution

The fourth proportional to 684,958.34, 1,023,237.45 and 493,787.21 is: 737,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,958.34 : 1,023,237.45 = 493,787.21 : x
  2. Step 2: Convert to fraction form
    684,958.34/1,023,237.45 = 493,787.21/x
  3. Step 3: Cross multiply
    684,958.34x = 1,023,237.45 × 493,787.21
  4. Step 4: Simplify right side
    684,958.34x = 505,261,560,486.83
  5. Step 5: Solve for x
    x = 505,261,560,486.83/684,958.34
  6. Step 6: Final answer
    x = 737,652.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.