Home / 969,923.96-1,338,536.78-540,204.28

Finding the Fourth Proportional to 969,923.96, 1,338,536.78 and 540,204.28

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Solution

The fourth proportional to 969,923.96, 1,338,536.78 and 540,204.28 is: 745,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,923.96 : 1,338,536.78 = 540,204.28 : x
  2. Step 2: Convert to fraction form
    969,923.96/1,338,536.78 = 540,204.28/x
  3. Step 3: Cross multiply
    969,923.96x = 1,338,536.78 × 540,204.28
  4. Step 4: Simplify right side
    969,923.96x = 723,083,297,493.42
  5. Step 5: Solve for x
    x = 723,083,297,493.42/969,923.96
  6. Step 6: Final answer
    x = 745,505.14

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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.