Home / 480,114.09-720,278.31-180,597.15

Finding the Fourth Proportional to 480,114.09, 720,278.31 and 180,597.15

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Solution

The fourth proportional to 480,114.09, 720,278.31 and 180,597.15 is: 270,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,114.09 : 720,278.31 = 180,597.15 : x
  2. Step 2: Convert to fraction form
    480,114.09/720,278.31 = 180,597.15/x
  3. Step 3: Cross multiply
    480,114.09x = 720,278.31 × 180,597.15
  4. Step 4: Simplify right side
    480,114.09x = 130,080,209,992.82
  5. Step 5: Solve for x
    x = 130,080,209,992.82/480,114.09
  6. Step 6: Final answer
    x = 270,936.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.