Home / 689,048.33-950,929.66-383,193.04

Finding the Fourth Proportional to 689,048.33, 950,929.66 and 383,193.04

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Solution

The fourth proportional to 689,048.33, 950,929.66 and 383,193.04 is: 528,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,048.33 : 950,929.66 = 383,193.04 : x
  2. Step 2: Convert to fraction form
    689,048.33/950,929.66 = 383,193.04/x
  3. Step 3: Cross multiply
    689,048.33x = 950,929.66 × 383,193.04
  4. Step 4: Simplify right side
    689,048.33x = 364,389,627,241.57
  5. Step 5: Solve for x
    x = 364,389,627,241.57/689,048.33
  6. Step 6: Final answer
    x = 528,830.29

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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.