Home / 356,918.22-534,325.46-312,631.47

Finding the Fourth Proportional to 356,918.22, 534,325.46 and 312,631.47

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Solution

The fourth proportional to 356,918.22, 534,325.46 and 312,631.47 is: 468,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,918.22 : 534,325.46 = 312,631.47 : x
  2. Step 2: Convert to fraction form
    356,918.22/534,325.46 = 312,631.47/x
  3. Step 3: Cross multiply
    356,918.22x = 534,325.46 × 312,631.47
  4. Step 4: Simplify right side
    356,918.22x = 167,046,952,455.07
  5. Step 5: Solve for x
    x = 167,046,952,455.07/356,918.22
  6. Step 6: Final answer
    x = 468,025.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.