Home / 957,814.85-1,437,072.65-445,724.29

Finding the Fourth Proportional to 957,814.85, 1,437,072.65 and 445,724.29

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Solution

The fourth proportional to 957,814.85, 1,437,072.65 and 445,724.29 is: 668,749.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,814.85 : 1,437,072.65 = 445,724.29 : x
  2. Step 2: Convert to fraction form
    957,814.85/1,437,072.65 = 445,724.29/x
  3. Step 3: Cross multiply
    957,814.85x = 1,437,072.65 × 445,724.29
  4. Step 4: Simplify right side
    957,814.85x = 640,538,186,167.39
  5. Step 5: Solve for x
    x = 640,538,186,167.39/957,814.85
  6. Step 6: Final answer
    x = 668,749.49

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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.