Home / 842,355.04-1,162,656.50-479,992.49

Finding the Fourth Proportional to 842,355.04, 1,162,656.50 and 479,992.49

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Solution

The fourth proportional to 842,355.04, 1,162,656.50 and 479,992.49 is: 662,507.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,355.04 : 1,162,656.50 = 479,992.49 : x
  2. Step 2: Convert to fraction form
    842,355.04/1,162,656.50 = 479,992.49/x
  3. Step 3: Cross multiply
    842,355.04x = 1,162,656.50 × 479,992.49
  4. Step 4: Simplify right side
    842,355.04x = 558,066,386,049.72
  5. Step 5: Solve for x
    x = 558,066,386,049.72/842,355.04
  6. Step 6: Final answer
    x = 662,507.33

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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.