Home / 418,623.60-577,693.98-227,635.32

Finding the Fourth Proportional to 418,623.60, 577,693.98 and 227,635.32

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Solution

The fourth proportional to 418,623.60, 577,693.98 and 227,635.32 is: 314,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,623.60 : 577,693.98 = 227,635.32 : x
  2. Step 2: Convert to fraction form
    418,623.60/577,693.98 = 227,635.32/x
  3. Step 3: Cross multiply
    418,623.60x = 577,693.98 × 227,635.32
  4. Step 4: Simplify right side
    418,623.60x = 131,503,553,999.37
  5. Step 5: Solve for x
    x = 131,503,553,999.37/418,623.60
  6. Step 6: Final answer
    x = 314,133.16

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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.