Home / 480,659.40-721,037.97-165,075.30

Finding the Fourth Proportional to 480,659.40, 721,037.97 and 165,075.30

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Solution

The fourth proportional to 480,659.40, 721,037.97 and 165,075.30 is: 247,629.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,659.40 : 721,037.97 = 165,075.30 : x
  2. Step 2: Convert to fraction form
    480,659.40/721,037.97 = 165,075.30/x
  3. Step 3: Cross multiply
    480,659.40x = 721,037.97 × 165,075.30
  4. Step 4: Simplify right side
    480,659.40x = 119,025,559,209.14
  5. Step 5: Solve for x
    x = 119,025,559,209.14/480,659.40
  6. Step 6: Final answer
    x = 247,629.73

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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.