Home / 425,326.88-586,945.68-231,742.65

Finding the Fourth Proportional to 425,326.88, 586,945.68 and 231,742.65

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Solution

The fourth proportional to 425,326.88, 586,945.68 and 231,742.65 is: 319,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,326.88 : 586,945.68 = 231,742.65 : x
  2. Step 2: Convert to fraction form
    425,326.88/586,945.68 = 231,742.65/x
  3. Step 3: Cross multiply
    425,326.88x = 586,945.68 × 231,742.65
  4. Step 4: Simplify right side
    425,326.88x = 136,020,346,420.22
  5. Step 5: Solve for x
    x = 136,020,346,420.22/425,326.88
  6. Step 6: Final answer
    x = 319,801.91

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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.