Home / 676,190.26-933,171.72-374,384.26

Finding the Fourth Proportional to 676,190.26, 933,171.72 and 374,384.26

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Solution

The fourth proportional to 676,190.26, 933,171.72 and 374,384.26 is: 516,666.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,190.26 : 933,171.72 = 374,384.26 : x
  2. Step 2: Convert to fraction form
    676,190.26/933,171.72 = 374,384.26/x
  3. Step 3: Cross multiply
    676,190.26x = 933,171.72 × 374,384.26
  4. Step 4: Simplify right side
    676,190.26x = 349,364,803,845.13
  5. Step 5: Solve for x
    x = 349,364,803,845.13/676,190.26
  6. Step 6: Final answer
    x = 516,666.42

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Half scale
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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.