Home / 957,199.40-1,320,932.42-527,479.40

Finding the Fourth Proportional to 957,199.40, 1,320,932.42 and 527,479.40

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Solution

The fourth proportional to 957,199.40, 1,320,932.42 and 527,479.40 is: 727,920.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,199.40 : 1,320,932.42 = 527,479.40 : x
  2. Step 2: Convert to fraction form
    957,199.40/1,320,932.42 = 527,479.40/x
  3. Step 3: Cross multiply
    957,199.40x = 1,320,932.42 × 527,479.40
  4. Step 4: Simplify right side
    957,199.40x = 696,764,640,342.15
  5. Step 5: Solve for x
    x = 696,764,640,342.15/957,199.40
  6. Step 6: Final answer
    x = 727,920.06

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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.