Home / 405,235.46-607,853.18-152,572.63

Finding the Fourth Proportional to 405,235.46, 607,853.18 and 152,572.63

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Solution

The fourth proportional to 405,235.46, 607,853.18 and 152,572.63 is: 228,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,235.46 : 607,853.18 = 152,572.63 : x
  2. Step 2: Convert to fraction form
    405,235.46/607,853.18 = 152,572.63/x
  3. Step 3: Cross multiply
    405,235.46x = 607,853.18 × 152,572.63
  4. Step 4: Simplify right side
    405,235.46x = 92,741,757,188.26
  5. Step 5: Solve for x
    x = 92,741,757,188.26/405,235.46
  6. Step 6: Final answer
    x = 228,858.94

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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.