Home / 987,495.14-1,481,670.55-348,255.66

Finding the Fourth Proportional to 987,495.14, 1,481,670.55 and 348,255.66

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Solution

The fourth proportional to 987,495.14, 1,481,670.55 and 348,255.66 is: 522,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,495.14 : 1,481,670.55 = 348,255.66 : x
  2. Step 2: Convert to fraction form
    987,495.14/1,481,670.55 = 348,255.66/x
  3. Step 3: Cross multiply
    987,495.14x = 1,481,670.55 × 348,255.66
  4. Step 4: Simplify right side
    987,495.14x = 516,000,161,284.40
  5. Step 5: Solve for x
    x = 516,000,161,284.40/987,495.14
  6. Step 6: Final answer
    x = 522,534.38

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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.