Home / 862,383.84-1,293,863.66-382,545.45

Finding the Fourth Proportional to 862,383.84, 1,293,863.66 and 382,545.45

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Solution

The fourth proportional to 862,383.84, 1,293,863.66 and 382,545.45 is: 573,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,383.84 : 1,293,863.66 = 382,545.45 : x
  2. Step 2: Convert to fraction form
    862,383.84/1,293,863.66 = 382,545.45/x
  3. Step 3: Cross multiply
    862,383.84x = 1,293,863.66 × 382,545.45
  4. Step 4: Simplify right side
    862,383.84x = 494,961,654,140.62
  5. Step 5: Solve for x
    x = 494,961,654,140.62/862,383.84
  6. Step 6: Final answer
    x = 573,945.88

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1.5x scale

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.