Home / 343,317.60-514,976.40-325,821.60

Finding the Fourth Proportional to 343,317.60, 514,976.40 and 325,821.60

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Solution

The fourth proportional to 343,317.60, 514,976.40 and 325,821.60 is: 488,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,317.60 : 514,976.40 = 325,821.60 : x
  2. Step 2: Convert to fraction form
    343,317.60/514,976.40 = 325,821.60/x
  3. Step 3: Cross multiply
    343,317.60x = 514,976.40 × 325,821.60
  4. Step 4: Simplify right side
    343,317.60x = 167,790,434,610.24
  5. Step 5: Solve for x
    x = 167,790,434,610.24/343,317.60
  6. Step 6: Final answer
    x = 488,732.40

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1.5x scale

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.