Home / 437,587.40-603,982.97-285,005.81

Finding the Fourth Proportional to 437,587.40, 603,982.97 and 285,005.81

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Solution

The fourth proportional to 437,587.40, 603,982.97 and 285,005.81 is: 393,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,587.40 : 603,982.97 = 285,005.81 : x
  2. Step 2: Convert to fraction form
    437,587.40/603,982.97 = 285,005.81/x
  3. Step 3: Cross multiply
    437,587.40x = 603,982.97 × 285,005.81
  4. Step 4: Simplify right side
    437,587.40x = 172,138,651,146.11
  5. Step 5: Solve for x
    x = 172,138,651,146.11/437,587.40
  6. Step 6: Final answer
    x = 393,381.19

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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.