Home / 591,207.75-815,869.98-322,935.75

Finding the Fourth Proportional to 591,207.75, 815,869.98 and 322,935.75

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Solution

The fourth proportional to 591,207.75, 815,869.98 and 322,935.75 is: 445,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,207.75 : 815,869.98 = 322,935.75 : x
  2. Step 2: Convert to fraction form
    591,207.75/815,869.98 = 322,935.75/x
  3. Step 3: Cross multiply
    591,207.75x = 815,869.98 × 322,935.75
  4. Step 4: Simplify right side
    591,207.75x = 263,473,583,893.79
  5. Step 5: Solve for x
    x = 263,473,583,893.79/591,207.75
  6. Step 6: Final answer
    x = 445,653.13

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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.