Home / 1,553,928.10-2,331,147.30-488,713.30

Finding the Fourth Proportional to 1,553,928.10, 2,331,147.30 and 488,713.30

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Solution

The fourth proportional to 1,553,928.10, 2,331,147.30 and 488,713.30 is: 733,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,928.10 : 2,331,147.30 = 488,713.30 : x
  2. Step 2: Convert to fraction form
    1,553,928.10/2,331,147.30 = 488,713.30/x
  3. Step 3: Cross multiply
    1,553,928.10x = 2,331,147.30 × 488,713.30
  4. Step 4: Simplify right side
    1,553,928.10x = 1,139,262,689,769.09
  5. Step 5: Solve for x
    x = 1,139,262,689,769.09/1,553,928.10
  6. Step 6: Final answer
    x = 733,150.20

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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.