Home / 413,623.68-620,241.72-173,686.32

Finding the Fourth Proportional to 413,623.68, 620,241.72 and 173,686.32

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Solution

The fourth proportional to 413,623.68, 620,241.72 and 173,686.32 is: 260,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,623.68 : 620,241.72 = 173,686.32 : x
  2. Step 2: Convert to fraction form
    413,623.68/620,241.72 = 173,686.32/x
  3. Step 3: Cross multiply
    413,623.68x = 620,241.72 × 173,686.32
  4. Step 4: Simplify right side
    413,623.68x = 107,727,501,857.27
  5. Step 5: Solve for x
    x = 107,727,501,857.27/413,623.68
  6. Step 6: Final answer
    x = 260,448.10

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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.