Home / 957,970.38-1,322,009.56-528,265.92

Finding the Fourth Proportional to 957,970.38, 1,322,009.56 and 528,265.92

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Solution

The fourth proportional to 957,970.38, 1,322,009.56 and 528,265.92 is: 729,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,970.38 : 1,322,009.56 = 528,265.92 : x
  2. Step 2: Convert to fraction form
    957,970.38/1,322,009.56 = 528,265.92/x
  3. Step 3: Cross multiply
    957,970.38x = 1,322,009.56 × 528,265.92
  4. Step 4: Simplify right side
    957,970.38x = 698,372,596,462.20
  5. Step 5: Solve for x
    x = 698,372,596,462.20/957,970.38
  6. Step 6: Final answer
    x = 729,012.72

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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.