Home / 405,020.18-558,904.71-241,860.83

Finding the Fourth Proportional to 405,020.18, 558,904.71 and 241,860.83

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Solution

The fourth proportional to 405,020.18, 558,904.71 and 241,860.83 is: 333,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,020.18 : 558,904.71 = 241,860.83 : x
  2. Step 2: Convert to fraction form
    405,020.18/558,904.71 = 241,860.83/x
  3. Step 3: Cross multiply
    405,020.18x = 558,904.71 × 241,860.83
  4. Step 4: Simplify right side
    405,020.18x = 135,177,157,051.51
  5. Step 5: Solve for x
    x = 135,177,157,051.51/405,020.18
  6. Step 6: Final answer
    x = 333,754.13

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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.