Home / 1,147,163.64-1,583,076-637,861.56

Finding the Fourth Proportional to 1,147,163.64, 1,583,076 and 637,861.56

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Solution

The fourth proportional to 1,147,163.64, 1,583,076 and 637,861.56 is: 880,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,163.64 : 1,583,076 = 637,861.56 : x
  2. Step 2: Convert to fraction form
    1,147,163.64/1,583,076 = 637,861.56/x
  3. Step 3: Cross multiply
    1,147,163.64x = 1,583,076 × 637,861.56
  4. Step 4: Simplify right side
    1,147,163.64x = 1,009,783,326,958.56
  5. Step 5: Solve for x
    x = 1,009,783,326,958.56/1,147,163.64
  6. Step 6: Final answer
    x = 880,243.49

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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.