Home / 957,110.43-1,320,870.39-527,390.04

Finding the Fourth Proportional to 957,110.43, 1,320,870.39 and 527,390.04

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Solution

The fourth proportional to 957,110.43, 1,320,870.39 and 527,390.04 is: 727,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,110.43 : 1,320,870.39 = 527,390.04 : x
  2. Step 2: Convert to fraction form
    957,110.43/1,320,870.39 = 527,390.04/x
  3. Step 3: Cross multiply
    957,110.43x = 1,320,870.39 × 527,390.04
  4. Step 4: Simplify right side
    957,110.43x = 696,613,887,816.92
  5. Step 5: Solve for x
    x = 696,613,887,816.92/957,110.43
  6. Step 6: Final answer
    x = 727,830.21

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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.