Home / 1,509,813.83-2,264,439.40-485,161.88

Finding the Fourth Proportional to 1,509,813.83, 2,264,439.40 and 485,161.88

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Solution

The fourth proportional to 1,509,813.83, 2,264,439.40 and 485,161.88 is: 727,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,813.83 : 2,264,439.40 = 485,161.88 : x
  2. Step 2: Convert to fraction form
    1,509,813.83/2,264,439.40 = 485,161.88/x
  3. Step 3: Cross multiply
    1,509,813.83x = 2,264,439.40 × 485,161.88
  4. Step 4: Simplify right side
    1,509,813.83x = 1,098,619,663,914.97
  5. Step 5: Solve for x
    x = 1,098,619,663,914.97/1,509,813.83
  6. Step 6: Final answer
    x = 727,652.40

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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.