Home / 981,724.80-1,473,364.80-382,972.80

Finding the Fourth Proportional to 981,724.80, 1,473,364.80 and 382,972.80

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Solution

The fourth proportional to 981,724.80, 1,473,364.80 and 382,972.80 is: 574,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,724.80 : 1,473,364.80 = 382,972.80 : x
  2. Step 2: Convert to fraction form
    981,724.80/1,473,364.80 = 382,972.80/x
  3. Step 3: Cross multiply
    981,724.80x = 1,473,364.80 × 382,972.80
  4. Step 4: Simplify right side
    981,724.80x = 564,258,642,877.44
  5. Step 5: Solve for x
    x = 564,258,642,877.44/981,724.80
  6. Step 6: Final answer
    x = 574,762.54

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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.