Home / 923,260.18-1,274,094.21-515,338.42

Finding the Fourth Proportional to 923,260.18, 1,274,094.21 and 515,338.42

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Solution

The fourth proportional to 923,260.18, 1,274,094.21 and 515,338.42 is: 711,164.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,260.18 : 1,274,094.21 = 515,338.42 : x
  2. Step 2: Convert to fraction form
    923,260.18/1,274,094.21 = 515,338.42/x
  3. Step 3: Cross multiply
    923,260.18x = 1,274,094.21 × 515,338.42
  4. Step 4: Simplify right side
    923,260.18x = 656,589,697,112.55
  5. Step 5: Solve for x
    x = 656,589,697,112.55/923,260.18
  6. Step 6: Final answer
    x = 711,164.32

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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.