Home / 923,610.81-1,274,604.56-515,698.86

Finding the Fourth Proportional to 923,610.81, 1,274,604.56 and 515,698.86

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Solution

The fourth proportional to 923,610.81, 1,274,604.56 and 515,698.86 is: 711,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,610.81 : 1,274,604.56 = 515,698.86 : x
  2. Step 2: Convert to fraction form
    923,610.81/1,274,604.56 = 515,698.86/x
  3. Step 3: Cross multiply
    923,610.81x = 1,274,604.56 × 515,698.86
  4. Step 4: Simplify right side
    923,610.81x = 657,312,115,964.31
  5. Step 5: Solve for x
    x = 657,312,115,964.31/923,610.81
  6. Step 6: Final answer
    x = 711,676.51

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1.5x scale

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.