Home / 688,919.49-1,032,416.96-333,839.25

Finding the Fourth Proportional to 688,919.49, 1,032,416.96 and 333,839.25

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Solution

The fourth proportional to 688,919.49, 1,032,416.96 and 333,839.25 is: 500,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,919.49 : 1,032,416.96 = 333,839.25 : x
  2. Step 2: Convert to fraction form
    688,919.49/1,032,416.96 = 333,839.25/x
  3. Step 3: Cross multiply
    688,919.49x = 1,032,416.96 × 333,839.25
  4. Step 4: Simplify right side
    688,919.49x = 344,661,301,944.48
  5. Step 5: Solve for x
    x = 344,661,301,944.48/688,919.49
  6. Step 6: Final answer
    x = 500,292.57

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.