Home / 425,427.02-587,081.74-231,836.46

Finding the Fourth Proportional to 425,427.02, 587,081.74 and 231,836.46

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Solution

The fourth proportional to 425,427.02, 587,081.74 and 231,836.46 is: 319,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,427.02 : 587,081.74 = 231,836.46 : x
  2. Step 2: Convert to fraction form
    425,427.02/587,081.74 = 231,836.46/x
  3. Step 3: Cross multiply
    425,427.02x = 587,081.74 × 231,836.46
  4. Step 4: Simplify right side
    425,427.02x = 136,106,952,332.24
  5. Step 5: Solve for x
    x = 136,106,952,332.24/425,427.02
  6. Step 6: Final answer
    x = 319,930.20

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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.