Home / 1,132,616.62-1,562,658.96-642,505.47

Finding the Fourth Proportional to 1,132,616.62, 1,562,658.96 and 642,505.47

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Solution

The fourth proportional to 1,132,616.62, 1,562,658.96 and 642,505.47 is: 886,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,616.62 : 1,562,658.96 = 642,505.47 : x
  2. Step 2: Convert to fraction form
    1,132,616.62/1,562,658.96 = 642,505.47/x
  3. Step 3: Cross multiply
    1,132,616.62x = 1,562,658.96 × 642,505.47
  4. Step 4: Simplify right side
    1,132,616.62x = 1,004,016,929,544.51
  5. Step 5: Solve for x
    x = 1,004,016,929,544.51/1,132,616.62
  6. Step 6: Final answer
    x = 886,457.88

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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.