Home / 969,872.94-1,338,466.14-540,153

Finding the Fourth Proportional to 969,872.94, 1,338,466.14 and 540,153

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Solution

The fourth proportional to 969,872.94, 1,338,466.14 and 540,153 is: 745,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,872.94 : 1,338,466.14 = 540,153 : x
  2. Step 2: Convert to fraction form
    969,872.94/1,338,466.14 = 540,153/x
  3. Step 3: Cross multiply
    969,872.94x = 1,338,466.14 × 540,153
  4. Step 4: Simplify right side
    969,872.94x = 722,976,500,919.42
  5. Step 5: Solve for x
    x = 722,976,500,919.42/969,872.94
  6. Step 6: Final answer
    x = 745,434.24

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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.