Home / 1,260,828.39-1,739,872.27-717,096.45

Finding the Fourth Proportional to 1,260,828.39, 1,739,872.27 and 717,096.45

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Solution

The fourth proportional to 1,260,828.39, 1,739,872.27 and 717,096.45 is: 989,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,828.39 : 1,739,872.27 = 717,096.45 : x
  2. Step 2: Convert to fraction form
    1,260,828.39/1,739,872.27 = 717,096.45/x
  3. Step 3: Cross multiply
    1,260,828.39x = 1,739,872.27 × 717,096.45
  4. Step 4: Simplify right side
    1,260,828.39x = 1,247,656,218,608.62
  5. Step 5: Solve for x
    x = 1,247,656,218,608.62/1,260,828.39
  6. Step 6: Final answer
    x = 989,552.77

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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.