Home / 1,172,353.38-1,618,151.82-663,351

Finding the Fourth Proportional to 1,172,353.38, 1,618,151.82 and 663,351

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Solution

The fourth proportional to 1,172,353.38, 1,618,151.82 and 663,351 is: 915,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,353.38 : 1,618,151.82 = 663,351 : x
  2. Step 2: Convert to fraction form
    1,172,353.38/1,618,151.82 = 663,351/x
  3. Step 3: Cross multiply
    1,172,353.38x = 1,618,151.82 × 663,351
  4. Step 4: Simplify right side
    1,172,353.38x = 1,073,402,627,948.82
  5. Step 5: Solve for x
    x = 1,073,402,627,948.82/1,172,353.38
  6. Step 6: Final answer
    x = 915,596.48

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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.