Home / 405,724.59-608,642.26-169,011.91

Finding the Fourth Proportional to 405,724.59, 608,642.26 and 169,011.91

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Solution

The fourth proportional to 405,724.59, 608,642.26 and 169,011.91 is: 253,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,724.59 : 608,642.26 = 169,011.91 : x
  2. Step 2: Convert to fraction form
    405,724.59/608,642.26 = 169,011.91/x
  3. Step 3: Cross multiply
    405,724.59x = 608,642.26 × 169,011.91
  4. Step 4: Simplify right side
    405,724.59x = 102,867,792,681.72
  5. Step 5: Solve for x
    x = 102,867,792,681.72/405,724.59
  6. Step 6: Final answer
    x = 253,540.94

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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.