Home / 1,172,360.52-1,618,161.62-663,358.12

Finding the Fourth Proportional to 1,172,360.52, 1,618,161.62 and 663,358.12

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Solution

The fourth proportional to 1,172,360.52, 1,618,161.62 and 663,358.12 is: 915,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,360.52 : 1,618,161.62 = 663,358.12 : x
  2. Step 2: Convert to fraction form
    1,172,360.52/1,618,161.62 = 663,358.12/x
  3. Step 3: Cross multiply
    1,172,360.52x = 1,618,161.62 × 663,358.12
  4. Step 4: Simplify right side
    1,172,360.52x = 1,073,420,650,099.35
  5. Step 5: Solve for x
    x = 1,073,420,650,099.35/1,172,360.52
  6. Step 6: Final answer
    x = 915,606.28

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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.