Home / 957,198.40-1,320,931.04-527,478.40

Finding the Fourth Proportional to 957,198.40, 1,320,931.04 and 527,478.40

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Solution

The fourth proportional to 957,198.40, 1,320,931.04 and 527,478.40 is: 727,918.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,198.40 : 1,320,931.04 = 527,478.40 : x
  2. Step 2: Convert to fraction form
    957,198.40/1,320,931.04 = 527,478.40/x
  3. Step 3: Cross multiply
    957,198.40x = 1,320,931.04 × 527,478.40
  4. Step 4: Simplify right side
    957,198.40x = 696,762,591,489.54
  5. Step 5: Solve for x
    x = 696,762,591,489.54/957,198.40
  6. Step 6: Final answer
    x = 727,918.68

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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.