Home / 426,072.40-587,979.46-235,085.76

Finding the Fourth Proportional to 426,072.40, 587,979.46 and 235,085.76

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Solution

The fourth proportional to 426,072.40, 587,979.46 and 235,085.76 is: 324,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,072.40 : 587,979.46 = 235,085.76 : x
  2. Step 2: Convert to fraction form
    426,072.40/587,979.46 = 235,085.76/x
  3. Step 3: Cross multiply
    426,072.40x = 587,979.46 × 235,085.76
  4. Step 4: Simplify right side
    426,072.40x = 138,225,598,218.49
  5. Step 5: Solve for x
    x = 138,225,598,218.49/426,072.40
  6. Step 6: Final answer
    x = 324,418.10

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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.