Home / 447,582.19-617,664.54-243,633.10

Finding the Fourth Proportional to 447,582.19, 617,664.54 and 243,633.10

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Solution

The fourth proportional to 447,582.19, 617,664.54 and 243,633.10 is: 336,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,582.19 : 617,664.54 = 243,633.10 : x
  2. Step 2: Convert to fraction form
    447,582.19/617,664.54 = 243,633.10/x
  3. Step 3: Cross multiply
    447,582.19x = 617,664.54 × 243,633.10
  4. Step 4: Simplify right side
    447,582.19x = 150,483,526,640.27
  5. Step 5: Solve for x
    x = 150,483,526,640.27/447,582.19
  6. Step 6: Final answer
    x = 336,214.29

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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.