Home / 957,109.93-1,320,869.69-527,389.54

Finding the Fourth Proportional to 957,109.93, 1,320,869.69 and 527,389.54

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Solution

The fourth proportional to 957,109.93, 1,320,869.69 and 527,389.54 is: 727,829.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,109.93 : 1,320,869.69 = 527,389.54 : x
  2. Step 2: Convert to fraction form
    957,109.93/1,320,869.69 = 527,389.54/x
  3. Step 3: Cross multiply
    957,109.93x = 1,320,869.69 × 527,389.54
  4. Step 4: Simplify right side
    957,109.93x = 696,612,858,209.04
  5. Step 5: Solve for x
    x = 696,612,858,209.04/957,109.93
  6. Step 6: Final answer
    x = 727,829.52

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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.