Home / 492,120.32-679,126.04-265,765.82

Finding the Fourth Proportional to 492,120.32, 679,126.04 and 265,765.82

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Solution

The fourth proportional to 492,120.32, 679,126.04 and 265,765.82 is: 366,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,120.32 : 679,126.04 = 265,765.82 : x
  2. Step 2: Convert to fraction form
    492,120.32/679,126.04 = 265,765.82/x
  3. Step 3: Cross multiply
    492,120.32x = 679,126.04 × 265,765.82
  4. Step 4: Simplify right side
    492,120.32x = 180,488,484,179.49
  5. Step 5: Solve for x
    x = 180,488,484,179.49/492,120.32
  6. Step 6: Final answer
    x = 366,756.82

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1.5x scale

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.