Home / 325,821.10-488,731.65-314,934.70

Finding the Fourth Proportional to 325,821.10, 488,731.65 and 314,934.70

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Solution

The fourth proportional to 325,821.10, 488,731.65 and 314,934.70 is: 472,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,821.10 : 488,731.65 = 314,934.70 : x
  2. Step 2: Convert to fraction form
    325,821.10/488,731.65 = 314,934.70/x
  3. Step 3: Cross multiply
    325,821.10x = 488,731.65 × 314,934.70
  4. Step 4: Simplify right side
    325,821.10x = 153,918,555,573.26
  5. Step 5: Solve for x
    x = 153,918,555,573.26/325,821.10
  6. Step 6: Final answer
    x = 472,402.05

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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.