Home / 688,580.39-950,241.38-382,685.24

Finding the Fourth Proportional to 688,580.39, 950,241.38 and 382,685.24

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Solution

The fourth proportional to 688,580.39, 950,241.38 and 382,685.24 is: 528,105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,580.39 : 950,241.38 = 382,685.24 : x
  2. Step 2: Convert to fraction form
    688,580.39/950,241.38 = 382,685.24/x
  3. Step 3: Cross multiply
    688,580.39x = 950,241.38 × 382,685.24
  4. Step 4: Simplify right side
    688,580.39x = 363,643,351,025.41
  5. Step 5: Solve for x
    x = 363,643,351,025.41/688,580.39
  6. Step 6: Final answer
    x = 528,105.88

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Double scale
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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.