Home / 941,622.49-1,299,383.88-511,898.86

Finding the Fourth Proportional to 941,622.49, 1,299,383.88 and 511,898.86

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Solution

The fourth proportional to 941,622.49, 1,299,383.88 and 511,898.86 is: 706,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,622.49 : 1,299,383.88 = 511,898.86 : x
  2. Step 2: Convert to fraction form
    941,622.49/1,299,383.88 = 511,898.86/x
  3. Step 3: Cross multiply
    941,622.49x = 1,299,383.88 × 511,898.86
  4. Step 4: Simplify right side
    941,622.49x = 665,153,126,874.38
  5. Step 5: Solve for x
    x = 665,153,126,874.38/941,622.49
  6. Step 6: Final answer
    x = 706,390.44

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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.