Home / 418,725.35-577,848.30-227,740.04

Finding the Fourth Proportional to 418,725.35, 577,848.30 and 227,740.04

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Solution

The fourth proportional to 418,725.35, 577,848.30 and 227,740.04 is: 314,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,725.35 : 577,848.30 = 227,740.04 : x
  2. Step 2: Convert to fraction form
    418,725.35/577,848.30 = 227,740.04/x
  3. Step 3: Cross multiply
    418,725.35x = 577,848.30 × 227,740.04
  4. Step 4: Simplify right side
    418,725.35x = 131,599,194,955.93
  5. Step 5: Solve for x
    x = 131,599,194,955.93/418,725.35
  6. Step 6: Final answer
    x = 314,285.23

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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.