Home / 492,118.03-679,122.89-265,763.53

Finding the Fourth Proportional to 492,118.03, 679,122.89 and 265,763.53

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Solution

The fourth proportional to 492,118.03, 679,122.89 and 265,763.53 is: 366,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,118.03 : 679,122.89 = 265,763.53 : x
  2. Step 2: Convert to fraction form
    492,118.03/679,122.89 = 265,763.53/x
  3. Step 3: Cross multiply
    492,118.03x = 679,122.89 × 265,763.53
  4. Step 4: Simplify right side
    492,118.03x = 180,486,096,550.20
  5. Step 5: Solve for x
    x = 180,486,096,550.20/492,118.03
  6. Step 6: Final answer
    x = 366,753.68

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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.