Home / 418,095.09-576,961.54-243,654.17

Finding the Fourth Proportional to 418,095.09, 576,961.54 and 243,654.17

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Solution

The fourth proportional to 418,095.09, 576,961.54 and 243,654.17 is: 336,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,095.09 : 576,961.54 = 243,654.17 : x
  2. Step 2: Convert to fraction form
    418,095.09/576,961.54 = 243,654.17/x
  3. Step 3: Cross multiply
    418,095.09x = 576,961.54 × 243,654.17
  4. Step 4: Simplify right side
    418,095.09x = 140,579,085,150.62
  5. Step 5: Solve for x
    x = 140,579,085,150.62/418,095.09
  6. Step 6: Final answer
    x = 336,237.11

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1.5x scale

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.