Home / 492,115.02-679,118.78-265,760.52

Finding the Fourth Proportional to 492,115.02, 679,118.78 and 265,760.52

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Solution

The fourth proportional to 492,115.02, 679,118.78 and 265,760.52 is: 366,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,115.02 : 679,118.78 = 265,760.52 : x
  2. Step 2: Convert to fraction form
    492,115.02/679,118.78 = 265,760.52/x
  3. Step 3: Cross multiply
    492,115.02x = 679,118.78 × 265,760.52
  4. Step 4: Simplify right side
    492,115.02x = 180,482,960,114.57
  5. Step 5: Solve for x
    x = 180,482,960,114.57/492,115.02
  6. Step 6: Final answer
    x = 366,749.55

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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.