Home / 492,120.03-679,125.66-265,765.53

Finding the Fourth Proportional to 492,120.03, 679,125.66 and 265,765.53

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Solution

The fourth proportional to 492,120.03, 679,125.66 and 265,765.53 is: 366,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,120.03 : 679,125.66 = 265,765.53 : x
  2. Step 2: Convert to fraction form
    492,120.03/679,125.66 = 265,765.53/x
  3. Step 3: Cross multiply
    492,120.03x = 679,125.66 × 265,765.53
  4. Step 4: Simplify right side
    492,120.03x = 180,488,190,966.50
  5. Step 5: Solve for x
    x = 180,488,190,966.50/492,120.03
  6. Step 6: Final answer
    x = 366,756.44

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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.