Home / 597,102.21-823,963.73-328,830.21

Finding the Fourth Proportional to 597,102.21, 823,963.73 and 328,830.21

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Solution

The fourth proportional to 597,102.21, 823,963.73 and 328,830.21 is: 453,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,102.21 : 823,963.73 = 328,830.21 : x
  2. Step 2: Convert to fraction form
    597,102.21/823,963.73 = 328,830.21/x
  3. Step 3: Cross multiply
    597,102.21x = 823,963.73 × 328,830.21
  4. Step 4: Simplify right side
    597,102.21x = 270,944,164,724.13
  5. Step 5: Solve for x
    x = 270,944,164,724.13/597,102.21
  6. Step 6: Final answer
    x = 453,765.13

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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.