Home / 461,942.19-637,674.57-280,712.34

Finding the Fourth Proportional to 461,942.19, 637,674.57 and 280,712.34

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Solution

The fourth proportional to 461,942.19, 637,674.57 and 280,712.34 is: 387,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,942.19 : 637,674.57 = 280,712.34 : x
  2. Step 2: Convert to fraction form
    461,942.19/637,674.57 = 280,712.34/x
  3. Step 3: Cross multiply
    461,942.19x = 637,674.57 × 280,712.34
  4. Step 4: Simplify right side
    461,942.19x = 179,003,120,703.19
  5. Step 5: Solve for x
    x = 179,003,120,703.19/461,942.19
  6. Step 6: Final answer
    x = 387,501.13

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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.