Home / 1,621,152.76-2,431,778.68-556,179.88

Finding the Fourth Proportional to 1,621,152.76, 2,431,778.68 and 556,179.88

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Solution

The fourth proportional to 1,621,152.76, 2,431,778.68 and 556,179.88 is: 834,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,152.76 : 2,431,778.68 = 556,179.88 : x
  2. Step 2: Convert to fraction form
    1,621,152.76/2,431,778.68 = 556,179.88/x
  3. Step 3: Cross multiply
    1,621,152.76x = 2,431,778.68 × 556,179.88
  4. Step 4: Simplify right side
    1,621,152.76x = 1,352,506,368,349.51
  5. Step 5: Solve for x
    x = 1,352,506,368,349.51/1,621,152.76
  6. Step 6: Final answer
    x = 834,286.81

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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.