Home / 1,147,114.17-1,583,215.74-663,945.75

Finding the Fourth Proportional to 1,147,114.17, 1,583,215.74 and 663,945.75

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Solution

The fourth proportional to 1,147,114.17, 1,583,215.74 and 663,945.75 is: 916,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,114.17 : 1,583,215.74 = 663,945.75 : x
  2. Step 2: Convert to fraction form
    1,147,114.17/1,583,215.74 = 663,945.75/x
  3. Step 3: Cross multiply
    1,147,114.17x = 1,583,215.74 × 663,945.75
  4. Step 4: Simplify right side
    1,147,114.17x = 1,051,169,361,906.11
  5. Step 5: Solve for x
    x = 1,051,169,361,906.11/1,147,114.17
  6. Step 6: Final answer
    x = 916,359.84

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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.