Home / 405,603.05-559,670.03-233,487.75

Finding the Fourth Proportional to 405,603.05, 559,670.03 and 233,487.75

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Solution

The fourth proportional to 405,603.05, 559,670.03 and 233,487.75 is: 322,177.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,603.05 : 559,670.03 = 233,487.75 : x
  2. Step 2: Convert to fraction form
    405,603.05/559,670.03 = 233,487.75/x
  3. Step 3: Cross multiply
    405,603.05x = 559,670.03 × 233,487.75
  4. Step 4: Simplify right side
    405,603.05x = 130,676,097,854.04
  5. Step 5: Solve for x
    x = 130,676,097,854.04/405,603.05
  6. Step 6: Final answer
    x = 322,177.31

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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.