Home / 958,379.96-1,437,417.56-318,630.54

Finding the Fourth Proportional to 958,379.96, 1,437,417.56 and 318,630.54

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Solution

The fourth proportional to 958,379.96, 1,437,417.56 and 318,630.54 is: 477,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,379.96 : 1,437,417.56 = 318,630.54 : x
  2. Step 2: Convert to fraction form
    958,379.96/1,437,417.56 = 318,630.54/x
  3. Step 3: Cross multiply
    958,379.96x = 1,437,417.56 × 318,630.54
  4. Step 4: Simplify right side
    958,379.96x = 458,005,133,348.28
  5. Step 5: Solve for x
    x = 458,005,133,348.28/958,379.96
  6. Step 6: Final answer
    x = 477,895.15

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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.