Home / 405,565.84-608,357.04-125,083.36

Finding the Fourth Proportional to 405,565.84, 608,357.04 and 125,083.36

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Solution

The fourth proportional to 405,565.84, 608,357.04 and 125,083.36 is: 187,627.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,565.84 : 608,357.04 = 125,083.36 : x
  2. Step 2: Convert to fraction form
    405,565.84/608,357.04 = 125,083.36/x
  3. Step 3: Cross multiply
    405,565.84x = 608,357.04 × 125,083.36
  4. Step 4: Simplify right side
    405,565.84x = 76,095,342,642.85
  5. Step 5: Solve for x
    x = 76,095,342,642.85/405,565.84
  6. Step 6: Final answer
    x = 187,627.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.