Home / 957,667.78-1,321,590.09-527,963.05

Finding the Fourth Proportional to 957,667.78, 1,321,590.09 and 527,963.05

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Solution

The fourth proportional to 957,667.78, 1,321,590.09 and 527,963.05 is: 728,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,667.78 : 1,321,590.09 = 527,963.05 : x
  2. Step 2: Convert to fraction form
    957,667.78/1,321,590.09 = 527,963.05/x
  3. Step 3: Cross multiply
    957,667.78x = 1,321,590.09 × 527,963.05
  4. Step 4: Simplify right side
    957,667.78x = 697,750,734,766.18
  5. Step 5: Solve for x
    x = 697,750,734,766.18/957,667.78
  6. Step 6: Final answer
    x = 728,593.72

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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.