Home / 467,645.07-645,349.89-252,785.13

Finding the Fourth Proportional to 467,645.07, 645,349.89 and 252,785.13

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Solution

The fourth proportional to 467,645.07, 645,349.89 and 252,785.13 is: 348,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,645.07 : 645,349.89 = 252,785.13 : x
  2. Step 2: Convert to fraction form
    467,645.07/645,349.89 = 252,785.13/x
  3. Step 3: Cross multiply
    467,645.07x = 645,349.89 × 252,785.13
  4. Step 4: Simplify right side
    467,645.07x = 163,134,855,839.14
  5. Step 5: Solve for x
    x = 163,134,855,839.14/467,645.07
  6. Step 6: Final answer
    x = 348,843.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.