Home / 484,965.08-669,272.58-270,105.20

Finding the Fourth Proportional to 484,965.08, 669,272.58 and 270,105.20

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Solution

The fourth proportional to 484,965.08, 669,272.58 and 270,105.20 is: 372,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,965.08 : 669,272.58 = 270,105.20 : x
  2. Step 2: Convert to fraction form
    484,965.08/669,272.58 = 270,105.20/x
  3. Step 3: Cross multiply
    484,965.08x = 669,272.58 × 270,105.20
  4. Step 4: Simplify right side
    484,965.08x = 180,774,004,075.42
  5. Step 5: Solve for x
    x = 180,774,004,075.42/484,965.08
  6. Step 6: Final answer
    x = 372,756.74

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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.