Home / 943,709.09-1,302,377.79-535,655.58

Finding the Fourth Proportional to 943,709.09, 1,302,377.79 and 535,655.58

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Solution

The fourth proportional to 943,709.09, 1,302,377.79 and 535,655.58 is: 739,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,709.09 : 1,302,377.79 = 535,655.58 : x
  2. Step 2: Convert to fraction form
    943,709.09/1,302,377.79 = 535,655.58/x
  3. Step 3: Cross multiply
    943,709.09x = 1,302,377.79 × 535,655.58
  4. Step 4: Simplify right side
    943,709.09x = 697,625,930,481.57
  5. Step 5: Solve for x
    x = 697,625,930,481.57/943,709.09
  6. Step 6: Final answer
    x = 739,238.33

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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.