Home / 850,531.07-1,275,353.63-401,131.27

Finding the Fourth Proportional to 850,531.07, 1,275,353.63 and 401,131.27

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Solution

The fourth proportional to 850,531.07, 1,275,353.63 and 401,131.27 is: 601,487.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,531.07 : 1,275,353.63 = 401,131.27 : x
  2. Step 2: Convert to fraction form
    850,531.07/1,275,353.63 = 401,131.27/x
  3. Step 3: Cross multiply
    850,531.07x = 1,275,353.63 × 401,131.27
  4. Step 4: Simplify right side
    850,531.07x = 511,584,214,924.24
  5. Step 5: Solve for x
    x = 511,584,214,924.24/850,531.07
  6. Step 6: Final answer
    x = 601,487.98

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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.