Home / 482,986.62-724,587.36-158,789.34

Finding the Fourth Proportional to 482,986.62, 724,587.36 and 158,789.34

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Solution

The fourth proportional to 482,986.62, 724,587.36 and 158,789.34 is: 238,219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,986.62 : 724,587.36 = 158,789.34 : x
  2. Step 2: Convert to fraction form
    482,986.62/724,587.36 = 158,789.34/x
  3. Step 3: Cross multiply
    482,986.62x = 724,587.36 × 158,789.34
  4. Step 4: Simplify right side
    482,986.62x = 115,056,748,666.74
  5. Step 5: Solve for x
    x = 115,056,748,666.74/482,986.62
  6. Step 6: Final answer
    x = 238,219.33

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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.