Home / 953,422.38-1,428,917.22-446,865.84

Finding the Fourth Proportional to 953,422.38, 1,428,917.22 and 446,865.84

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Solution

The fourth proportional to 953,422.38, 1,428,917.22 and 446,865.84 is: 669,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,422.38 : 1,428,917.22 = 446,865.84 : x
  2. Step 2: Convert to fraction form
    953,422.38/1,428,917.22 = 446,865.84/x
  3. Step 3: Cross multiply
    953,422.38x = 1,428,917.22 × 446,865.84
  4. Step 4: Simplify right side
    953,422.38x = 638,534,293,805.77
  5. Step 5: Solve for x
    x = 638,534,293,805.77/953,422.38
  6. Step 6: Final answer
    x = 669,728.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.