Home / 441,260.15-664,834.38-399,187.13

Finding the Fourth Proportional to 441,260.15, 664,834.38 and 399,187.13

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Solution

The fourth proportional to 441,260.15, 664,834.38 and 399,187.13 is: 601,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,260.15 : 664,834.38 = 399,187.13 : x
  2. Step 2: Convert to fraction form
    441,260.15/664,834.38 = 399,187.13/x
  3. Step 3: Cross multiply
    441,260.15x = 664,834.38 × 399,187.13
  4. Step 4: Simplify right side
    441,260.15x = 265,393,326,081.59
  5. Step 5: Solve for x
    x = 265,393,326,081.59/441,260.15
  6. Step 6: Final answer
    x = 601,444.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.