Home / 688,590.09-950,282.82-382,665.24

Finding the Fourth Proportional to 688,590.09, 950,282.82 and 382,665.24

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Solution

The fourth proportional to 688,590.09, 950,282.82 and 382,665.24 is: 528,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,590.09 : 950,282.82 = 382,665.24 : x
  2. Step 2: Convert to fraction form
    688,590.09/950,282.82 = 382,665.24/x
  3. Step 3: Cross multiply
    688,590.09x = 950,282.82 × 382,665.24
  4. Step 4: Simplify right side
    688,590.09x = 363,640,203,383.18
  5. Step 5: Solve for x
    x = 363,640,203,383.18/688,590.09
  6. Step 6: Final answer
    x = 528,093.87

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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.