Home / 591,244.80-815,916.16-322,972.80

Finding the Fourth Proportional to 591,244.80, 815,916.16 and 322,972.80

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Solution

The fourth proportional to 591,244.80, 815,916.16 and 322,972.80 is: 445,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,244.80 : 815,916.16 = 322,972.80 : x
  2. Step 2: Convert to fraction form
    591,244.80/815,916.16 = 322,972.80/x
  3. Step 3: Cross multiply
    591,244.80x = 815,916.16 × 322,972.80
  4. Step 4: Simplify right side
    591,244.80x = 263,518,726,760.45
  5. Step 5: Solve for x
    x = 263,518,726,760.45/591,244.80
  6. Step 6: Final answer
    x = 445,701.56

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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.