Home / 890,918.75-1,336,308.39-251,196.65

Finding the Fourth Proportional to 890,918.75, 1,336,308.39 and 251,196.65

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Solution

The fourth proportional to 890,918.75, 1,336,308.39 and 251,196.65 is: 376,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,918.75 : 1,336,308.39 = 251,196.65 : x
  2. Step 2: Convert to fraction form
    890,918.75/1,336,308.39 = 251,196.65/x
  3. Step 3: Cross multiply
    890,918.75x = 1,336,308.39 × 251,196.65
  4. Step 4: Simplify right side
    890,918.75x = 335,676,184,253.35
  5. Step 5: Solve for x
    x = 335,676,184,253.35/890,918.75
  6. Step 6: Final answer
    x = 376,775.31

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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.