Home / 425,431.93-587,088.47-231,841.33

Finding the Fourth Proportional to 425,431.93, 587,088.47 and 231,841.33

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Solution

The fourth proportional to 425,431.93, 587,088.47 and 231,841.33 is: 319,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,431.93 : 587,088.47 = 231,841.33 : x
  2. Step 2: Convert to fraction form
    425,431.93/587,088.47 = 231,841.33/x
  3. Step 3: Cross multiply
    425,431.93x = 587,088.47 × 231,841.33
  4. Step 4: Simplify right side
    425,431.93x = 136,111,371,712.47
  5. Step 5: Solve for x
    x = 136,111,371,712.47/425,431.93
  6. Step 6: Final answer
    x = 319,936.90

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1.5x scale

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.