Home / 688,850.46-950,613.03-382,917.24

Finding the Fourth Proportional to 688,850.46, 950,613.03 and 382,917.24

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Solution

The fourth proportional to 688,850.46, 950,613.03 and 382,917.24 is: 528,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,850.46 : 950,613.03 = 382,917.24 : x
  2. Step 2: Convert to fraction form
    688,850.46/950,613.03 = 382,917.24/x
  3. Step 3: Cross multiply
    688,850.46x = 950,613.03 × 382,917.24
  4. Step 4: Simplify right side
    688,850.46x = 364,006,117,755.64
  5. Step 5: Solve for x
    x = 364,006,117,755.64/688,850.46
  6. Step 6: Final answer
    x = 528,425.46

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Double scale
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Similar ratio
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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.