Home / 492,787.20-680,045.76-266,432.16

Finding the Fourth Proportional to 492,787.20, 680,045.76 and 266,432.16

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Solution

The fourth proportional to 492,787.20, 680,045.76 and 266,432.16 is: 367,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,787.20 : 680,045.76 = 266,432.16 : x
  2. Step 2: Convert to fraction form
    492,787.20/680,045.76 = 266,432.16/x
  3. Step 3: Cross multiply
    492,787.20x = 680,045.76 × 266,432.16
  4. Step 4: Simplify right side
    492,787.20x = 181,186,060,735.64
  5. Step 5: Solve for x
    x = 181,186,060,735.64/492,787.20
  6. Step 6: Final answer
    x = 367,676.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.