Home / 523,719.82-723,009.53-352,537.79

Finding the Fourth Proportional to 523,719.82, 723,009.53 and 352,537.79

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Solution

The fourth proportional to 523,719.82, 723,009.53 and 352,537.79 is: 486,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,719.82 : 723,009.53 = 352,537.79 : x
  2. Step 2: Convert to fraction form
    523,719.82/723,009.53 = 352,537.79/x
  3. Step 3: Cross multiply
    523,719.82x = 723,009.53 × 352,537.79
  4. Step 4: Simplify right side
    523,719.82x = 254,888,181,855.14
  5. Step 5: Solve for x
    x = 254,888,181,855.14/523,719.82
  6. Step 6: Final answer
    x = 486,688.06

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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.